117888164 has 24 divisors (see below), whose sum is σ = 213561600. Its totient is φ = 56881440.

The previous prime is 117888163. The next prime is 117888181. The reversal of 117888164 is 461888711.

117888164 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×117888164² = 27795238422581792, which contains 22 as substring.

117888164 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (117888163) 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, 50822 + ... + 53090.

It is an arithmetic number, because the mean of its divisors is an integer number (8898400).

Almost surely, 2^117888164 is an apocalyptic number.

It is an amenable number.

117888164 is a deficient number, since it is larger than the sum of its proper divisors (95673436).

117888164 is a wasteful number, since it uses less digits than its factorization.

117888164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2721 counting only the distinct ones).

The product of its digits is 86016, while the sum is 44.

The square root of 117888164 is about 10857.6316017813. The cubic root of 117888164 is about 490.3318091357.

The spelling of 117888164 in words is "one hundred seventeen million, eight hundred eighty-eight thousand, one hundred sixty-four".