68300542656 has 168 divisors, whose sum is σ = 205806501264. Its totient is φ = 22454599680.

The previous prime is 68300542633. The next prime is 68300542663. The reversal of 68300542656 is 65624500386.

68300542656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1105216 + ... + 1165376.

It is an arithmetic number, because the mean of its divisors is an integer number (1225038698).

Almost surely, 2^68300542656 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 68300542656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102903250632).

68300542656 is an abundant number, since it is smaller than the sum of its proper divisors (137505958608).

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

68300542656 is an equidigital number, since it uses as much as digits as its factorization.

68300542656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60261 (or 60239 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 68300542656 in words is "sixty-eight billion, three hundred million, five hundred forty-two thousand, six hundred fifty-six".