165233253 has 16 divisors (see below), whose sum is σ = 232516800. Its totient is φ = 104083200.

The previous prime is 165233227. The next prime is 165233269. The reversal of 165233253 is 352332561.

It is not a de Polignac number, because 165233253 - 2⁵ = 165233221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165233253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165233203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19243 + ... + 26471.

It is an arithmetic number, because the mean of its divisors is an integer number (14532300).

Almost surely, 2^165233253 is an apocalyptic number.

It is an amenable number.

165233253 is a deficient number, since it is larger than the sum of its proper divisors (67283547).

165233253 is a wasteful number, since it uses less digits than its factorization.

165233253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652.

The product of its digits is 16200, while the sum is 30.

The square root of 165233253 is about 12854.3087328724. The cubic root of 165233253 is about 548.7389876077.

The spelling of 165233253 in words is "one hundred sixty-five million, two hundred thirty-three thousand, two hundred fifty-three".