117996156 has 48 divisors (see below), whose sum is σ = 322022400. Its totient is φ = 37261296.

The previous prime is 117996139. The next prime is 117996191. The reversal of 117996156 is 651699711.

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, 26700 + ... + 30803.

It is an arithmetic number, because the mean of its divisors is an integer number (6708800).

Almost surely, 2^117996156 is an apocalyptic number.

It is an amenable number.

117996156 is an abundant number, since it is smaller than the sum of its proper divisors (204026244).

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

117996156 is a wasteful number, since it uses less digits than its factorization.

117996156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57535 (or 57527 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 117996156 is about 10862.6035553177. The cubic root of 117996156 is about 490.4814870174.

It can be divided in two parts, 11799 and 6156, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 117996156 in words is "one hundred seventeen million, nine hundred ninety-six thousand, one hundred fifty-six".