65657675656 has 16 divisors (see below), whose sum is σ = 123132324240. Its totient is φ = 32822389200.

The previous prime is 65657675653. The next prime is 65657675663.

65657675656 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (65657675651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762670 + ... + 844381.

It is an arithmetic number, because the mean of its divisors is an integer number (7695770265).

Almost surely, 2^65657675656 is an apocalyptic number.

It is an amenable number.

65657675656 is a deficient number, since it is larger than the sum of its proper divisors (57474648584).

65657675656 is a wasteful number, since it uses less digits than its factorization.

65657675656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612164 (or 1612160 counting only the distinct ones).

The product of its digits is 238140000, while the sum is 64.

The spelling of 65657675656 in words is "sixty-five billion, six hundred fifty-seven million, six hundred seventy-five thousand, six hundred fifty-six".