165370072 has 32 divisors (see below), whose sum is σ = 373017600. Its totient is φ = 67142304.

The previous prime is 165370031. The next prime is 165370087. The reversal of 165370072 is 270073561.

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, 76648 + ... + 78775.

It is an arithmetic number, because the mean of its divisors is an integer number (11656800).

Almost surely, 2^165370072 is an apocalyptic number.

It is an amenable number.

165370072 is an abundant number, since it is smaller than the sum of its proper divisors (207647528).

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

165370072 is a wasteful number, since it uses less digits than its factorization.

165370072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155455 (or 155451 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 165370072 is about 12859.6295436533. The cubic root of 165370072 is about 548.8904042774.

The spelling of 165370072 in words is "one hundred sixty-five million, three hundred seventy thousand, seventy-two".