With this information, you can calculate the quantity of hours 666 minutes is equal to.

¿What is the inverse calculation between 1 hour and 666 minutes?

Performing the inverse calculation of the relationship between units, we obtain that 1 hour is 0.09009009 times 666 minutes.

Which is the same to say that 666 minutes is 11.1 hours.

Six hundred sixty-six minutes equals to eleven hours. *Approximation

A hour is zero times six hundred sixty-six minutes. *Approximation