116117865 has 24 divisors (see below), whose sum is σ = 201771648. Its totient is φ = 61775520.

The previous prime is 116117857. The next prime is 116117879. The reversal of 116117865 is 568711611.

It is not a de Polignac number, because 116117865 - 2³ = 116117857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16402 + ... + 22388.

It is an arithmetic number, because the mean of its divisors is an integer number (8407152).

Almost surely, 2^116117865 is an apocalyptic number.

116117865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116117865 is a deficient number, since it is larger than the sum of its proper divisors (85653783).

116117865 is a wasteful number, since it uses less digits than its factorization.

116117865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429 (or 6426 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 116117865 is about 10775.7999703038. The cubic root of 116117865 is about 487.8650205046.

The spelling of 116117865 in words is "one hundred sixteen million, one hundred seventeen thousand, eight hundred sixty-five".