65675057656 has 16 divisors (see below), whose sum is σ = 132613097400. Its totient is φ = 30311565024.

The previous prime is 65675057641. The next prime is 65675057663.

65675057656 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 65675057656.

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, 315745366 + ... + 315745573.

Almost surely, 2^65675057656 is an apocalyptic number.

It is an amenable number.

65675057656 is an abundant number, since it is smaller than the sum of its proper divisors (66938039744).

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

65675057656 is a wasteful number, since it uses less digits than its factorization.

65675057656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631490958 (or 631490954 counting only the distinct ones).

The product of its (nonzero) digits is 39690000, while the sum is 58.

The spelling of 65675057656 in words is "sixty-five billion, six hundred seventy-five million, fifty-seven thousand, six hundred fifty-six".