165025388 has 12 divisors (see below), whose sum is σ = 315048552. Its totient is φ = 75011520.

The previous prime is 165025379. The next prime is 165025417. The reversal of 165025388 is 883520561.

165025388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875245 + ... + 1875332.

It is an arithmetic number, because the mean of its divisors is an integer number (26254046).

Almost surely, 2^165025388 is an apocalyptic number.

It is an amenable number.

165025388 is a deficient number, since it is larger than the sum of its proper divisors (150023164).

165025388 is a wasteful number, since it uses less digits than its factorization.

165025388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750592 (or 3750590 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 165025388 is about 12846.2207672140. The cubic root of 165025388 is about 548.5087847640.

The spelling of 165025388 in words is "one hundred sixty-five million, twenty-five thousand, three hundred eighty-eight".