65632423656 has 64 divisors (see below), whose sum is σ = 168573715200. Its totient is φ = 21278861568.

The previous prime is 65632423613. The next prime is 65632423673.

It is a happy number.

65632423656 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2957530 + ... + 2979638.

It is an arithmetic number, because the mean of its divisors is an integer number (2633964300).

Almost surely, 2^65632423656 is an apocalyptic number.

It is an amenable number.

65632423656 is an abundant number, since it is smaller than the sum of its proper divisors (102941291544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65632423656 is a wasteful number, since it uses less digits than its factorization.

65632423656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25498 (or 25494 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

The spelling of 65632423656 in words is "sixty-five billion, six hundred thirty-two million, four hundred twenty-three thousand, six hundred fifty-six".