68156288716 has 6 divisors (see below), whose sum is σ = 119273505260. Its totient is φ = 34078144356.

The previous prime is 68156288693. The next prime is 68156288731. The reversal of 68156288716 is 61788265186.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8519536086 + ... + 8519536093.

Almost surely, 2^68156288716 is an apocalyptic number.

It is an amenable number.

68156288716 is a deficient number, since it is larger than the sum of its proper divisors (51117216544).

68156288716 is a wasteful number, since it uses less digits than its factorization.

68156288716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17039072183 (or 17039072181 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 58.

The spelling of 68156288716 in words is "sixty-eight billion, one hundred fifty-six million, two hundred eighty-eight thousand, seven hundred sixteen".