660076800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
Almost surely, 2660076800 is an apocalyptic number.
660076800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 660076800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1125344640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
660076800 is a wasteful number, since it uses less digits than its factorization.
660076800 is an odious number, because the sum of its binary digits is odd.
The square root of 660076800 is about 25691.9598318229. The cubic root of 660076800 is about 870.6925388143.
The spelling of 660076800 in words is "six hundred sixty million, seventy-six thousand, eight hundred".