116631980 has 24 divisors (see below), whose sum is σ = 245348880. Its totient is φ = 46572480.

The previous prime is 116631979. The next prime is 116632007. The reversal of 116631980 is 89136611.

It is a self number, because there is not a number n which added to its sum of digits gives 116631980.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7670 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (10222870).

Almost surely, 2^116631980 is an apocalyptic number.

116631980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116631980 is an abundant number, since it is smaller than the sum of its proper divisors (128716900).

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

116631980 is a wasteful number, since it uses less digits than its factorization.

116631980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049 (or 10047 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 116631980 is about 10799.6286973210. The cubic root of 116631980 is about 488.5839723614.

The spelling of 116631980 in words is "one hundred sixteen million, six hundred thirty-one thousand, nine hundred eighty".