165153325 has 24 divisors (see below), whose sum is σ = 212773088. Its totient is φ = 127068480.

The previous prime is 165153257. The next prime is 165153341. The reversal of 165153325 is 523351561.

It is not a de Polignac number, because 165153325 - 2²³ = 156764717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70879 + ... + 73171.

Almost surely, 2^165153325 is an apocalyptic number.

It is an amenable number.

165153325 is a deficient number, since it is larger than the sum of its proper divisors (47619763).

165153325 is a wasteful number, since it uses less digits than its factorization.

165153325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2408 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 165153325 is about 12851.1993603710. The cubic root of 165153325 is about 548.6504931452.

The spelling of 165153325 in words is "one hundred sixty-five million, one hundred fifty-three thousand, three hundred twenty-five".