68716806496 has 96 divisors (see below), whose sum is σ = 155073719808. Its totient is φ = 29692968960.

The previous prime is 68716806449. The next prime is 68716806517. The reversal of 68716806496 is 69460861786.

It is a congruent number.

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, 1325316 + ... + 1376188.

It is an arithmetic number, because the mean of its divisors is an integer number (1615351248).

Almost surely, 2^68716806496 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 68716806496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77536859904).

68716806496 is an abundant number, since it is smaller than the sum of its proper divisors (86356913312).

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

68716806496 is a wasteful number, since it uses less digits than its factorization.

68716806496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51104 (or 51096 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 68716806496 in words is "sixty-eight billion, seven hundred sixteen million, eight hundred six thousand, four hundred ninety-six".