Hecho general: 8168 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 8168 is a boring number.
Trivia: 8168 is an unremarkable number.
Fecha histórica: May 12th is the day in 1981 that Francis Hughes starves to death in the Maze Prison in a Republican campaign for political prisoner status to be granted to Provisional IRA prisoners.