68626541568 has 176 divisors, whose sum is σ = 199767810816. Its totient is φ = 20817592320.

The previous prime is 68626541527. The next prime is 68626541587. The reversal of 68626541568 is 86514562686.

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, 2823355 + ... + 2847557.

Almost surely, 2^68626541568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68626541568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99883905408).

68626541568 is an abundant number, since it is smaller than the sum of its proper divisors (131141269248).

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

68626541568 is a wasteful number, since it uses less digits than its factorization.

68626541568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24310 (or 24292 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The spelling of 68626541568 in words is "sixty-eight billion, six hundred twenty-six million, five hundred forty-one thousand, five hundred sixty-eight".