68391823960 has 32 divisors (see below), whose sum is σ = 154803065760. Its totient is φ = 27192914176.

The previous prime is 68391823931. The next prime is 68391823979. The reversal of 68391823960 is 6932819386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112469 + ... + 5125828.

It is an arithmetic number, because the mean of its divisors is an integer number (4837595805).

Almost surely, 2^68391823960 is an apocalyptic number.

It is an amenable number.

68391823960 is an abundant number, since it is smaller than the sum of its proper divisors (86411241800).

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

68391823960 is a wasteful number, since it uses less digits than its factorization.

68391823960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10238475 (or 10238471 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 68391823960 in words is "sixty-eight billion, three hundred ninety-one million, eight hundred twenty-three thousand, nine hundred sixty".