165089672 has 16 divisors (see below), whose sum is σ = 337683600. Its totient is φ = 75040720.

The previous prime is 165089633. The next prime is 165089681. The reversal of 165089672 is 276980561.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937922 + ... + 938097.

It is an arithmetic number, because the mean of its divisors is an integer number (21105225).

Almost surely, 2^165089672 is an apocalyptic number.

It is an amenable number.

165089672 is an abundant number, since it is smaller than the sum of its proper divisors (172593928).

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

165089672 is a wasteful number, since it uses less digits than its factorization.

165089672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876036 (or 1876032 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 165089672 is about 12848.7225824204. The cubic root of 165089672 is about 548.5799975668.

The spelling of 165089672 in words is "one hundred sixty-five million, eighty-nine thousand, six hundred seventy-two".