165428672 has 28 divisors (see below), whose sum is σ = 328681080. Its totient is φ = 82611456.

The previous prime is 165428657. The next prime is 165428677. The reversal of 165428672 is 276824561.

165428672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165428677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100238 + ... + 101874.

It is an arithmetic number, because the mean of its divisors is an integer number (11738610).

Almost surely, 2^165428672 is an apocalyptic number.

It is an amenable number.

165428672 is a deficient number, since it is larger than the sum of its proper divisors (163252408).

165428672 is a wasteful number, since it uses less digits than its factorization.

165428672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228 (or 3218 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 165428672 is about 12861.9077900598. The cubic root of 165428672 is about 548.9552309593.

The spelling of 165428672 in words is "one hundred sixty-five million, four hundred twenty-eight thousand, six hundred seventy-two".