Hecho general: 66880 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 66880 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 66880 is an unremarkable number.
Fecha histórica: February 9th is the day in 1959 that the R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.