64116925 has 24 divisors (see below), whose sum is σ = 84146400. Its totient is φ = 48329280.

The previous prime is 64116901. The next prime is 64116929. The reversal of 64116925 is 52961146.

It is not a de Polignac number, because 64116925 - 2⁷ = 64116797 is a prime.

It is a super-2 number, since 2×64116925² = 8221960142911250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64116929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164631 + ... + 165019.

It is an arithmetic number, because the mean of its divisors is an integer number (3506100).

Almost surely, 2^64116925 is an apocalyptic number.

It is an amenable number.

64116925 is a deficient number, since it is larger than the sum of its proper divisors (20029475).

64116925 is a wasteful number, since it uses less digits than its factorization.

64116925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 760 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 64116925 is about 8007.3044777878. The cubic root of 64116925 is about 400.2434455556.

The spelling of 64116925 in words is "sixty-four million, one hundred sixteen thousand, nine hundred twenty-five".