165292925 has 36 divisors (see below), whose sum is σ = 242573760. Its totient is φ = 111373920.

The previous prime is 165292889. The next prime is 165292931. The reversal of 165292925 is 529292561.

It is not a de Polignac number, because 165292925 - 2⁶ = 165292861 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 35 ways as a sum of consecutive naturals, for example, 71132 + ... + 73418.

It is an arithmetic number, because the mean of its divisors is an integer number (6738160).

Almost surely, 2^165292925 is an apocalyptic number.

It is an amenable number.

165292925 is a deficient number, since it is larger than the sum of its proper divisors (77280835).

165292925 is a wasteful number, since it uses less digits than its factorization.

165292925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2358 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 165292925 is about 12856.6296127718. The cubic root of 165292925 is about 548.8050364837.

It can be divided in two parts, 1652 and 92925, that multiplied together give a square (153512100 = 12390²).

The spelling of 165292925 in words is "one hundred sixty-five million, two hundred ninety-two thousand, nine hundred twenty-five".