68226592688 has 20 divisors (see below), whose sum is σ = 132231995688. Its totient is φ = 34102206720.

The previous prime is 68226592673. The next prime is 68226592691. The reversal of 68226592688 is 88629562286.

It is a self number, because there is not a number n which added to its sum of digits gives 68226592688.

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, 642233 + ... + 740888.

Almost surely, 2^68226592688 is an apocalyptic number.

It is an amenable number.

68226592688 is a deficient number, since it is larger than the sum of its proper divisors (64005403000).

68226592688 is a wasteful number, since it uses less digits than its factorization.

68226592688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386212 (or 1386206 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 62.

The spelling of 68226592688 in words is "sixty-eight billion, two hundred twenty-six million, five hundred ninety-two thousand, six hundred eighty-eight".