68061385568 has 24 divisors (see below), whose sum is σ = 146177294760. Its totient is φ = 30936993280.

The previous prime is 68061385547. The next prime is 68061385573. The reversal of 68061385568 is 86558316086.

68061385568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 96677753 + ... + 96678456.

It is an arithmetic number, because the mean of its divisors is an integer number (6090720615).

Almost surely, 2^68061385568 is an apocalyptic number.

It is an amenable number.

68061385568 is an abundant number, since it is smaller than the sum of its proper divisors (78115909192).

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

68061385568 is a wasteful number, since it uses less digits than its factorization.

68061385568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193356230 (or 193356222 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 68061385568 in words is "sixty-eight billion, sixty-one million, three hundred eighty-five thousand, five hundred sixty-eight".