65956494272 has 28 divisors (see below), whose sum is σ = 136572961296. Its totient is φ = 31544409600.

The previous prime is 65956494251. The next prime is 65956494299. The reversal of 65956494272 is 27249465956.

65956494272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22402229 + ... + 22405172.

Almost surely, 2^65956494272 is an apocalyptic number.

It is an amenable number.

65956494272 is an abundant number, since it is smaller than the sum of its proper divisors (70616467024).

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

65956494272 is a wasteful number, since it uses less digits than its factorization.

65956494272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44807436 (or 44807426 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 59.

The spelling of 65956494272 in words is "sixty-five billion, nine hundred fifty-six million, four hundred ninety-four thousand, two hundred seventy-two".