61920077360 has 60 divisors (see below), whose sum is σ = 151940105568. Its totient is φ = 23464439424.

The previous prime is 61920077339. The next prime is 61920077393. The reversal of 61920077360 is 6377002916.

61920077360 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.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043144 + ... + 1100903.

Almost surely, 2^61920077360 is an apocalyptic number.

It is an amenable number.

61920077360 is an abundant number, since it is smaller than the sum of its proper divisors (90020028208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61920077360 is a wasteful number, since it uses less digits than its factorization.

61920077360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144098 (or 2144073 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 61920077360 in words is "sixty-one billion, nine hundred twenty million, seventy-seven thousand, three hundred sixty".