65972864156 has 24 divisors (see below), whose sum is σ = 116236542240. Its totient is φ = 32763180800.

The previous prime is 65972864149. The next prime is 65972864207. The reversal of 65972864156 is 65146827956.

It is a junction number, because it is equal to n+sod(n) for n = 65972864095 and 65972864104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255200 + ... + 443928.

It is an arithmetic number, because the mean of its divisors is an integer number (4843189260).

Almost surely, 2^65972864156 is an apocalyptic number.

It is an amenable number.

65972864156 is a deficient number, since it is larger than the sum of its proper divisors (50263678084).

65972864156 is a wasteful number, since it uses less digits than its factorization.

65972864156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189325 (or 189323 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The spelling of 65972864156 in words is "sixty-five billion, nine hundred seventy-two million, eight hundred sixty-four thousand, one hundred fifty-six".