68655833508 has 48 divisors (see below), whose sum is σ = 160561255680. Its totient is φ = 22833298944.

The previous prime is 68655833501. The next prime is 68655833509. The reversal of 68655833508 is 80533855686.

It is not an unprimeable number, because it can be changed into a prime (68655833501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10969516 + ... + 10975772.

It is an arithmetic number, because the mean of its divisors is an integer number (3345026160).

Almost surely, 2^68655833508 is an apocalyptic number.

It is an amenable number.

68655833508 is an abundant number, since it is smaller than the sum of its proper divisors (91905422172).

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

68655833508 is a wasteful number, since it uses less digits than its factorization.

68655833508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196 (or 8194 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 68655833508 in words is "sixty-eight billion, six hundred fifty-five million, eight hundred thirty-three thousand, five hundred eight".