68508737296 has 20 divisors (see below), whose sum is σ = 138506795712. Its totient is φ = 32765048096.

The previous prime is 68508737239. The next prime is 68508737309. The reversal of 68508737296 is 69273780586.

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, 93082156 + ... + 93082891.

Almost surely, 2^68508737296 is an apocalyptic number.

It is an amenable number.

68508737296 is an abundant number, since it is smaller than the sum of its proper divisors (69998058416).

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

68508737296 is a wasteful number, since it uses less digits than its factorization.

68508737296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186165078 (or 186165072 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 68508737296 in words is "sixty-eight billion, five hundred eight million, seven hundred thirty-seven thousand, two hundred ninety-six".