68337989496 has 64 divisors (see below), whose sum is σ = 216946003200. Its totient is φ = 19525139424.

The previous prime is 68337989479. The next prime is 68337989501. The reversal of 68337989496 is 69498973386.

68337989496 is a `hidden beast` number, since 6 + 83 + 379 + 8 + 94 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22597030 + ... + 22600053.

It is an arithmetic number, because the mean of its divisors is an integer number (3389781300).

Almost surely, 2^68337989496 is an apocalyptic number.

It is an amenable number.

68337989496 is an abundant number, since it is smaller than the sum of its proper divisors (148608013704).

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

68337989496 is a wasteful number, since it uses less digits than its factorization.

68337989496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45197105 (or 45197095 counting only the distinct ones).

The product of its digits is 423263232, while the sum is 72.

The spelling of 68337989496 in words is "sixty-eight billion, three hundred thirty-seven million, nine hundred eighty-nine thousand, four hundred ninety-six".