Fatto generale: 16478 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 16478 is an unremarkable number.
Trivia: 16478 is an uninteresting number.
Data storica: February 10th is the day in 1798 that Louis Alexandre Berthier invades Rome, proclaims a Roman Republic on February 15 and then on February 20 takes Pope Pius VI prisoner.