32165256475 has 24 divisors (see below), whose sum is σ = 45011203920. Its totient is φ = 22586256000.

The previous prime is 32165256469. The next prime is 32165256511. The reversal of 32165256475 is 57465256123.

It is a happy number.

It is not a de Polignac number, because 32165256475 - 2²¹ = 32163159323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2008656 + ... + 2024605.

It is an arithmetic number, because the mean of its divisors is an integer number (1875466830).

Almost surely, 2^32165256475 is an apocalyptic number.

32165256475 is a deficient number, since it is larger than the sum of its proper divisors (12845947445).

32165256475 is a wasteful number, since it uses less digits than its factorization.

32165256475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033311 (or 4033306 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 46.

The spelling of 32165256475 in words is "thirty-two billion, one hundred sixty-five million, two hundred fifty-six thousand, four hundred seventy-five".