68031796968 has 80 divisors (see below), whose sum is σ = 198836938080. Its totient is φ = 21691292832.

The previous prime is 68031796897. The next prime is 68031796981. The reversal of 68031796968 is 86969713086.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2267430 + ... + 2297237.

It is an arithmetic number, because the mean of its divisors is an integer number (2485461726).

Almost surely, 2^68031796968 is an apocalyptic number.

It is an amenable number.

68031796968 is an abundant number, since it is smaller than the sum of its proper divisors (130805141112).

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

68031796968 is a wasteful number, since it uses less digits than its factorization.

68031796968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564708 (or 4564695 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 68031796968 in words is "sixty-eight billion, thirty-one million, seven hundred ninety-six thousand, nine hundred sixty-eight".