Fait général: 16778 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 16778 is an uninteresting number.
Culture générale: 16778 is an uninteresting number.
Date historique: December 7th is the day in 2005 that Ante Gotovina, a Croatian army general accused of war crimes, is captured in the Playa de las Américas, Tenerife by the Spanish police.