117813168 has 60 divisors (see below), whose sum is σ = 359692008. Its totient is φ = 35700480.

The previous prime is 117813121. The next prime is 117813187. The reversal of 117813168 is 861318711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35605 + ... + 38772.

Almost surely, 2^117813168 is an apocalyptic number.

117813168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117813168 is an abundant number, since it is smaller than the sum of its proper divisors (241878840).

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

117813168 is a wasteful number, since it uses less digits than its factorization.

117813168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74402 (or 74393 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 117813168 is about 10854.1774446524. The cubic root of 117813168 is about 490.2278102164.

The spelling of 117813168 in words is "one hundred seventeen million, eight hundred thirteen thousand, one hundred sixty-eight".