165924325 has 12 divisors (see below), whose sum is σ = 235138720. Its totient is φ = 113776560.

The previous prime is 165924293. The next prime is 165924337. The reversal of 165924325 is 523429561.

It is not a de Polignac number, because 165924325 - 2⁵ = 165924293 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 473895 + ... + 474244.

Almost surely, 2^165924325 is an apocalyptic number.

It is an amenable number.

165924325 is a deficient number, since it is larger than the sum of its proper divisors (69214395).

165924325 is an equidigital number, since it uses as much as digits as its factorization.

165924325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948156 (or 948151 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 165924325 is about 12881.1616323995. The cubic root of 165924325 is about 549.5029393482.

The spelling of 165924325 in words is "one hundred sixty-five million, nine hundred twenty-four thousand, three hundred twenty-five".