117681160 has 32 divisors (see below), whose sum is σ = 267413400. Its totient is φ = 46604800.

The previous prime is 117681143. The next prime is 117681167. The reversal of 117681160 is 61186711.

It can be written as a sum of positive squares in 4 ways, for example, as 107453956 + 10227204 = 10366^2 + 3198^2 .

It is not an unprimeable number, because it can be changed into a prime (117681167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10525 + ... + 18604.

Almost surely, 2^117681160 is an apocalyptic number.

117681160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117681160 is an abundant number, since it is smaller than the sum of its proper divisors (149732240).

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

117681160 is a wasteful number, since it uses less digits than its factorization.

117681160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29241 (or 29237 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 117681160 is about 10848.0947635979. The cubic root of 117681160 is about 490.0446439957.

The spelling of 117681160 in words is "one hundred seventeen million, six hundred eighty-one thousand, one hundred sixty".