165272337 has 6 divisors (see below), whose sum is σ = 238726722. Its totient is φ = 110181552.

The previous prime is 165272329. The next prime is 165272399. The reversal of 165272337 is 733272561.

It can be written as a sum of positive squares in only one way, i.e., 162715536 + 2556801 = 12756^2 + 1599^2 .

It is not a de Polignac number, because 165272337 - 2³ = 165272329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165272137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9181788 + ... + 9181805.

It is an arithmetic number, because the mean of its divisors is an integer number (39787787).

Almost surely, 2^165272337 is an apocalyptic number.

It is an amenable number.

165272337 is a deficient number, since it is larger than the sum of its proper divisors (73454385).

165272337 is a wasteful number, since it uses less digits than its factorization.

165272337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18363599 (or 18363596 counting only the distinct ones).

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

The square root of 165272337 is about 12855.8289114316. The cubic root of 165272337 is about 548.7822501339.

The spelling of 165272337 in words is "one hundred sixty-five million, two hundred seventy-two thousand, three hundred thirty-seven".