164252625 has 32 divisors (see below), whose sum is σ = 287713920. Its totient is φ = 82987200.

The previous prime is 164252611. The next prime is 164252629. The reversal of 164252625 is 526252461.

164252625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164252625 - 2⁵ = 164252593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164252629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4402 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (8991060).

Almost surely, 2^164252625 is an apocalyptic number.

164252625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164252625 is a deficient number, since it is larger than the sum of its proper divisors (123461295).

164252625 is a wasteful number, since it uses less digits than its factorization.

164252625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23090 (or 23080 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 164252625 is about 12816.1080285709. The cubic root of 164252625 is about 547.6512790613.

The spelling of 164252625 in words is "one hundred sixty-four million, two hundred fifty-two thousand, six hundred twenty-five".