Fait général: 16657 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 16657 is an unremarkable number.
Culture générale: 16657 is an uninteresting number.
Date historique: August 8th is the day in 1786 that Mont Blanc on the French – Italian border is climbed for the first time by Jacques Balmat and Dr Michel-Gabriel Paccard.