Sixteen dream meaning is explained below using 4 different sources. Each interpretation is shown with its source.

Interpretation 1 — James R. Lewis and Evelyn Dorothy Oliver

This number traditionally represents a young girl’s debut into womanhood when she celebrated her sweet sixteen birthday, so it could represent a time of maturity. In numerology, the numerals in the number 16 add up to seven, a lucky number.
Source: Dream Symbols in The Dream Encyclopedia Author: James R. Lewis and Evelyn Dorothy Oliver

Interpretation 2 — DreamForth

To dream of sixteen represents spiritual virtue and purity. It signifies replacing previous attributes, perceptions, or opinions with fresh ideas and outlooks. Your inner self has been renewed and revitalized.
Source: Dream Symbols and Analysis Author: DreamForth

Interpretation 3 — myjellybean

The number sixteen represents innocence and tenderness. It also suggests spiritual cleansing, destruction of the old and birth of the new.
Source: My Dream Interpretation Author: myjellybean

Interpretation 4 — Vincent Wienand

See Bible Numbers.
Source: Dream Dictionary The Biblical Model Author: Vincent Wienand