165272733 has 24 divisors (see below), whose sum is σ = 251933760. Its totient is φ = 104195520.

The previous prime is 165272717. The next prime is 165272741. The reversal of 165272733 is 337272561.

It is not a de Polignac number, because 165272733 - 2⁴ = 165272717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165272743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13938 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (10497240).

Almost surely, 2^165272733 is an apocalyptic number.

It is an amenable number.

165272733 is a deficient number, since it is larger than the sum of its proper divisors (86661027).

165272733 is a wasteful number, since it uses less digits than its factorization.

165272733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089 (or 9086 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 165272733 is about 12855.8443129963. The cubic root of 165272733 is about 548.7826884359.

The spelling of 165272733 in words is "one hundred sixty-five million, two hundred seventy-two thousand, seven hundred thirty-three".