117916190 has 32 divisors (see below), whose sum is σ = 245652480. Its totient is φ = 39914784.

The previous prime is 117916171. The next prime is 117916213. The reversal of 117916190 is 91619711.

It is a super-2 number, since 2×117916190² = 27808455728232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 117916190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5132 + ... + 16191.

It is an arithmetic number, because the mean of its divisors is an integer number (7676640).

Almost surely, 2^117916190 is an apocalyptic number.

117916190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117916190 is an abundant number, since it is smaller than the sum of its proper divisors (127736290).

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

117916190 is a wasteful number, since it uses less digits than its factorization.

117916190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21416.

The product of its (nonzero) digits is 3402, while the sum is 35.

The square root of 117916190 is about 10858.9221380393. The cubic root of 117916190 is about 490.3706622034.

The spelling of 117916190 in words is "one hundred seventeen million, nine hundred sixteen thousand, one hundred ninety".