165170672 has 40 divisors (see below), whose sum is σ = 326616000. Its totient is φ = 80900352.

The previous prime is 165170669. The next prime is 165170683. The reversal of 165170672 is 276071561.

165170672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187898 + ... + 188774.

It is an arithmetic number, because the mean of its divisors is an integer number (8165400).

Almost surely, 2^165170672 is an apocalyptic number.

It is an amenable number.

165170672 is a deficient number, since it is larger than the sum of its proper divisors (161445328).

165170672 is a wasteful number, since it uses less digits than its factorization.

165170672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 165170672 is about 12851.8742602003. The cubic root of 165170672 is about 548.6697017743.

The spelling of 165170672 in words is "one hundred sixty-five million, one hundred seventy thousand, six hundred seventy-two".