65657366088 has 64 divisors (see below), whose sum is σ = 165283648320. Its totient is φ = 21733920000.

The previous prime is 65657366069. The next prime is 65657366123. The reversal of 65657366088 is 88066375656.

It is a super-2 number, since 2×65657366088² (a number of 22 digits) contains 22 as substring.

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, 8477898 + ... + 8485638.

It is an arithmetic number, because the mean of its divisors is an integer number (2582557005).

Almost surely, 2^65657366088 is an apocalyptic number.

It is an amenable number.

65657366088 is an abundant number, since it is smaller than the sum of its proper divisors (99626282232).

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

65657366088 is a wasteful number, since it uses less digits than its factorization.

65657366088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158 (or 10154 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 65657366088 in words is "sixty-five billion, six hundred fifty-seven million, three hundred sixty-six thousand, eighty-eight".