165879087 has 16 divisors (see below), whose sum is σ = 242883840. Its totient is φ = 99864000.

The previous prime is 165879083. The next prime is 165879089. The reversal of 165879087 is 780978561.

It is not a de Polignac number, because 165879087 - 2² = 165879083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165879083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11662 + ... + 21627.

It is an arithmetic number, because the mean of its divisors is an integer number (15180240).

Almost surely, 2^165879087 is an apocalyptic number.

165879087 is a deficient number, since it is larger than the sum of its proper divisors (77004753).

165879087 is a wasteful number, since it uses less digits than its factorization.

165879087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33454.

The product of its (nonzero) digits is 846720, while the sum is 51.

The square root of 165879087 is about 12879.4055375238. The cubic root of 165879087 is about 549.4529955491.

The spelling of 165879087 in words is "one hundred sixty-five million, eight hundred seventy-nine thousand, eighty-seven".