16101665165 has 16 divisors (see below), whose sum is σ = 19388937600. Its totient is φ = 12836757312.

The previous prime is 16101665137. The next prime is 16101665179. The reversal of 16101665165 is 56156610161.

It is a cyclic number.

It is not a de Polignac number, because 16101665165 - 2⁶ = 16101665101 is a prime.

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, 4555739 + ... + 4559271.

It is an arithmetic number, because the mean of its divisors is an integer number (1211808600).

Almost surely, 2^16101665165 is an apocalyptic number.

It is an amenable number.

16101665165 is a deficient number, since it is larger than the sum of its proper divisors (3287272435).

16101665165 is a wasteful number, since it uses less digits than its factorization.

16101665165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 16101665165 in words is "sixteen billion, one hundred one million, six hundred sixty-five thousand, one hundred sixty-five".