68167922240 has 56 divisors (see below), whose sum is σ = 177081679872. Its totient is φ = 24788334080.

The previous prime is 68167922191. The next prime is 68167922269. The reversal of 68167922240 is 4222976186.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9679424 + ... + 9686463.

Almost surely, 2^68167922240 is an apocalyptic number.

It is an amenable number.

68167922240 is an abundant number, since it is smaller than the sum of its proper divisors (108913757632).

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

68167922240 is a wasteful number, since it uses less digits than its factorization.

68167922240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19365915 (or 19365905 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 68167922240 in words is "sixty-eight billion, one hundred sixty-seven million, nine hundred twenty-two thousand, two hundred forty".