68387371168 has 24 divisors (see below), whose sum is σ = 134697911040. Its totient is φ = 34178377920.

The previous prime is 68387371153. The next prime is 68387371193. The reversal of 68387371168 is 86117378386.

68387371168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405598 + ... + 548893.

It is an arithmetic number, because the mean of its divisors is an integer number (5612412960).

Almost surely, 2^68387371168 is an apocalyptic number.

It is an amenable number.

68387371168 is a deficient number, since it is larger than the sum of its proper divisors (66310539872).

68387371168 is a wasteful number, since it uses less digits than its factorization.

68387371168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956740 (or 956732 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 58.

The spelling of 68387371168 in words is "sixty-eight billion, three hundred eighty-seven million, three hundred seventy-one thousand, one hundred sixty-eight".