68551247932 has 12 divisors (see below), whose sum is σ = 119975979816. Its totient is φ = 34272396560.

The previous prime is 68551247893. The next prime is 68551247953. The reversal of 68551247932 is 23974215586.

It is a self number, because there is not a number n which added to its sum of digits gives 68551247932.

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, 758743 + ... + 844270.

It is an arithmetic number, because the mean of its divisors is an integer number (9997998318).

Almost surely, 2^68551247932 is an apocalyptic number.

It is an amenable number.

68551247932 is a deficient number, since it is larger than the sum of its proper divisors (51424731884).

68551247932 is a wasteful number, since it uses less digits than its factorization.

68551247932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613708 (or 1613706 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 68551247932 in words is "sixty-eight billion, five hundred fifty-one million, two hundred forty-seven thousand, nine hundred thirty-two".