117998168 has 16 divisors (see below), whose sum is σ = 223278000. Its totient is φ = 58457376.

The previous prime is 117998159. The next prime is 117998197. The reversal of 117998168 is 861899711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66788 + ... + 68531.

It is an arithmetic number, because the mean of its divisors is an integer number (13954875).

Almost surely, 2^117998168 is an apocalyptic number.

It is an amenable number.

117998168 is a deficient number, since it is larger than the sum of its proper divisors (105279832).

117998168 is a wasteful number, since it uses less digits than its factorization.

117998168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135434 (or 135430 counting only the distinct ones).

The product of its digits is 217728, while the sum is 50.

The square root of 117998168 is about 10862.6961662379. The cubic root of 117998168 is about 490.4842748007.

The spelling of 117998168 in words is "one hundred seventeen million, nine hundred ninety-eight thousand, one hundred sixty-eight".