117916183980 has 144 divisors (see below), whose sum is σ = 416489097024. Its totient is φ = 26443722240.

The previous prime is 117916183937. The next prime is 117916184021. The reversal of 117916183980 is 89381619711.

117916183980 is a `hidden beast` number, since 1 + 17 + 9 + 1 + 618 + 3 + 9 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 816091 + ... + 949650.

It is an arithmetic number, because the mean of its divisors is an integer number (2892285396).

Almost surely, 2^117916183980 is an apocalyptic number.

117916183980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117916183980 is an abundant number, since it is smaller than the sum of its proper divisors (298572913044).

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

117916183980 is a wasteful number, since it uses less digits than its factorization.

117916183980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765816 (or 1765811 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 54.

The spelling of 117916183980 in words is "one hundred seventeen billion, nine hundred sixteen million, one hundred eighty-three thousand, nine hundred eighty".