116501665 has 16 divisors (see below), whose sum is σ = 163036800. Its totient is φ = 79885680.

The previous prime is 116501659. The next prime is 116501683. The reversal of 116501665 is 566105611.

It is not a de Polignac number, because 116501665 - 2⁵ = 116501633 is a prime.

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, 32251 + ... + 35680.

It is an arithmetic number, because the mean of its divisors is an integer number (10189800).

Almost surely, 2^116501665 is an apocalyptic number.

It is an amenable number.

116501665 is a deficient number, since it is larger than the sum of its proper divisors (46535135).

116501665 is an frugal number, since it uses more digits than its factorization.

116501665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67957 (or 67943 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 116501665 is about 10793.5937018215. The cubic root of 116501665 is about 488.4019366732.

The spelling of 116501665 in words is "one hundred sixteen million, five hundred one thousand, six hundred sixty-five".