68816471034744 has 32 divisors (see below), whose sum is σ = 191156863986000. Its totient is φ = 22938823678176.

The previous prime is 68816471034743. The next prime is 68816471034767. The reversal of 68816471034744 is 44743017461886.

68816471034744 is a `hidden beast` number, since 6 + 8 + 8 + 16 + 47 + 103 + 474 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68816471034743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159297386439 + ... + 159297386870.

Almost surely, 2^{68816471034744} is an apocalyptic number.

It is an amenable number.

68816471034744 is an abundant number, since it is smaller than the sum of its proper divisors (122340392951256).

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

68816471034744 is a wasteful number, since it uses less digits than its factorization.

68816471034744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318594773324 (or 318594773314 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 63.

The spelling of 68816471034744 in words is "sixty-eight trillion, eight hundred sixteen billion, four hundred seventy-one million, thirty-four thousand, seven hundred forty-four".