68716622652 has 24 divisors (see below), whose sum is σ = 161038962000. Its totient is φ = 22805515776.

The previous prime is 68716622651. The next prime is 68716622729. The reversal of 68716622652 is 25622661786.

It is a junction number, because it is equal to n+sod(n) for n = 68716622595 and 68716622604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68716622651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500277 + ... + 12505772.

It is an arithmetic number, because the mean of its divisors is an integer number (6709956750).

Almost surely, 2^68716622652 is an apocalyptic number.

It is an amenable number.

68716622652 is an abundant number, since it is smaller than the sum of its proper divisors (92322339348).

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

68716622652 is a wasteful number, since it uses less digits than its factorization.

68716622652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006285 (or 25006283 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 68716622652 in words is "sixty-eight billion, seven hundred sixteen million, six hundred twenty-two thousand, six hundred fifty-two".