116511660 has 72 divisors (see below), whose sum is σ = 358730736. Its totient is φ = 30602880.

The previous prime is 116511653. The next prime is 116511673. The reversal of 116511660 is 66115611.

116511660 is a `hidden beast` number, since 1 + 1 + 651 + 1 + 6 + 6 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7230 + ... + 16890.

Almost surely, 2^116511660 is an apocalyptic number.

116511660 is a gapful number since it is divisible by the number (10) 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 116511660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179365368).

116511660 is an abundant number, since it is smaller than the sum of its proper divisors (242219076).

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

116511660 is a wasteful number, since it uses less digits than its factorization.

116511660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743 (or 9738 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 116511660 is about 10794.0566980167. The cubic root of 116511660 is about 488.4159033914.

The spelling of 116511660 in words is "one hundred sixteen million, five hundred eleven thousand, six hundred sixty".