165425502 has 16 divisors (see below), whose sum is σ = 360928512. Its totient is φ = 50128920.

The previous prime is 165425471. The next prime is 165425539. The reversal of 165425502 is 205524561.

It is a self number, because there is not a number n which added to its sum of digits gives 165425502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253158 + ... + 1253289.

It is an arithmetic number, because the mean of its divisors is an integer number (22558032).

Almost surely, 2^165425502 is an apocalyptic number.

165425502 is an abundant number, since it is smaller than the sum of its proper divisors (195503010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165425502 is a wasteful number, since it uses less digits than its factorization.

165425502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506463.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 165425502 is about 12861.7845573622. The cubic root of 165425502 is about 548.9517245151.

The spelling of 165425502 in words is "one hundred sixty-five million, four hundred twenty-five thousand, five hundred two".