32164642025 has 12 divisors (see below), whose sum is σ = 39925261584. Its totient is φ = 25705194000.

The previous prime is 32164642009. The next prime is 32164642051. The reversal of 32164642025 is 52024646123.

It is not a de Polignac number, because 32164642025 - 2⁴ = 32164642009 is a prime.

It is a super-2 number, since 2×32164642025² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638231 + ... + 686780.

It is an arithmetic number, because the mean of its divisors is an integer number (3327105132).

Almost surely, 2^32164642025 is an apocalyptic number.

It is an amenable number.

32164642025 is a deficient number, since it is larger than the sum of its proper divisors (7760619559).

32164642025 is a wasteful number, since it uses less digits than its factorization.

32164642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325992 (or 1325987 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 32164642025 in words is "thirty-two billion, one hundred sixty-four million, six hundred forty-two thousand, twenty-five".