30976081660 has 12 divisors (see below), whose sum is σ = 65049771528. Its totient is φ = 12390432656.

The previous prime is 30976081607. The next prime is 30976081681. The reversal of 30976081660 is 6618067903.

It is a self number, because there is not a number n which added to its sum of digits gives 30976081660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774402022 + ... + 774402061.

It is an arithmetic number, because the mean of its divisors is an integer number (5420814294).

Almost surely, 2^30976081660 is an apocalyptic number.

It is an amenable number.

30976081660 is an abundant number, since it is smaller than the sum of its proper divisors (34073689868).

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

30976081660 is a wasteful number, since it uses less digits than its factorization.

30976081660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548804092 (or 1548804090 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 30976081660 in words is "thirty billion, nine hundred seventy-six million, eighty-one thousand, six hundred sixty".