68339625568 has 24 divisors (see below), whose sum is σ = 134630037360. Its totient is φ = 34147870080.

The previous prime is 68339625553. The next prime is 68339625623. The reversal of 68339625568 is 86552693386.

It is a congruent number.

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, 635043 + ... + 734818.

It is an arithmetic number, because the mean of its divisors is an integer number (5609584890).

Almost surely, 2^68339625568 is an apocalyptic number.

It is an amenable number.

68339625568 is a deficient number, since it is larger than the sum of its proper divisors (66290411792).

68339625568 is a wasteful number, since it uses less digits than its factorization.

68339625568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371430 (or 1371422 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 61.

It can be divided in two parts, 683396 and 25568, that added together give a square (708964 = 842²).

The spelling of 68339625568 in words is "sixty-eight billion, three hundred thirty-nine million, six hundred twenty-five thousand, five hundred sixty-eight".