Fatto generale: 10366 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 10366 is a boring number.
Trivia: 10366 is an unremarkable number.
Data storica: May 18th is the day in 1860 that Abraham Lincoln wins the Republican Party presidential nomination over William H. Seward, who later becomes the United States Secretary of State.