68471351679168 has 42 divisors (see below), whose sum is σ = 196260766707044. Its totient is φ = 22823783892864.

The previous prime is 68471351679151. The next prime is 68471351679191. The reversal of 68471351679168 is 86197615317486.

68471351679168 is a `hidden beast` number, since 6 + 8 + 4 + 7 + 13 + 516 + 7 + 91 + 6 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 68471351679096 and 68471351679105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59436936646 + ... + 59436937797.

Almost surely, 2^{68471351679168} is an apocalyptic number.

It is an amenable number.

68471351679168 is an abundant number, since it is smaller than the sum of its proper divisors (127789415027876).

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

68471351679168 is a wasteful number, since it uses less digits than its factorization.

68471351679168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118873874461 (or 118873874448 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 72.

The spelling of 68471351679168 in words is "sixty-eight trillion, four hundred seventy-one billion, three hundred fifty-one million, six hundred seventy-nine thousand, one hundred sixty-eight".