68201578056 has 16 divisors (see below), whose sum is σ = 170503945200. Its totient is φ = 22733859344.

The previous prime is 68201578033. The next prime is 68201578099. The reversal of 68201578056 is 65087510286.

68201578056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 68201577996 and 68201578014.

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, 1420866186 + ... + 1420866233.

It is an arithmetic number, because the mean of its divisors is an integer number (10656496575).

Almost surely, 2^68201578056 is an apocalyptic number.

It is an amenable number.

68201578056 is an abundant number, since it is smaller than the sum of its proper divisors (102302367144).

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

68201578056 is a wasteful number, since it uses less digits than its factorization.

68201578056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841732428 (or 2841732424 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 68201578056 in words is "sixty-eight billion, two hundred one million, five hundred seventy-eight thousand, fifty-six".