117117816 has 64 divisors (see below), whose sum is σ = 298905600. Its totient is φ = 38233728.

The previous prime is 117117797. The next prime is 117117827. The reversal of 117117816 is 618711711.

It is a happy number.

Its product of digits (2352) is a multiple of the sum of its prime factors (588).

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, 422670 + ... + 422946.

It is an arithmetic number, because the mean of its divisors is an integer number (4670400).

Almost surely, 2^117117816 is an apocalyptic number.

It is an amenable number.

117117816 is an abundant number, since it is smaller than the sum of its proper divisors (181787784).

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

117117816 is a wasteful number, since it uses less digits than its factorization.

117117816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 584 counting only the distinct ones).

The product of its digits is 2352, while the sum is 33.

The square root of 117117816 is about 10822.0985026011. The cubic root of 117117816 is about 489.2614390652.

The spelling of 117117816 in words is "one hundred seventeen million, one hundred seventeen thousand, eight hundred sixteen".