68153686488 has 48 divisors (see below), whose sum is σ = 185715343320. Its totient is φ = 22578518016.

The previous prime is 68153686481. The next prime is 68153686501. The reversal of 68153686488 is 88468635186.

68153686488 is a `hidden beast` number, since 68 + 15 + 3 + 6 + 86 + 488 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68153686481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2891881 + ... + 2915352.

Almost surely, 2^68153686488 is an apocalyptic number.

It is an amenable number.

68153686488 is an abundant number, since it is smaller than the sum of its proper divisors (117561656832).

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

68153686488 is a wasteful number, since it uses less digits than its factorization.

68153686488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807408 (or 5807401 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 63.

The spelling of 68153686488 in words is "sixty-eight billion, one hundred fifty-three million, six hundred eighty-six thousand, four hundred eighty-eight".