68169294017 has 32 divisors (see below), whose sum is σ = 79033743360. Its totient is φ = 58237744320.

The previous prime is 68169294013. The next prime is 68169294023. The reversal of 68169294017 is 71049296186.

It is a cyclic number.

It is not a de Polignac number, because 68169294017 - 2² = 68169294013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68169294017.

It is not an unprimeable number, because it can be changed into a prime (68169294013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1285643 + ... + 1337615.

It is an arithmetic number, because the mean of its divisors is an integer number (2469804480).

Almost surely, 2^68169294017 is an apocalyptic number.

It is an amenable number.

68169294017 is a deficient number, since it is larger than the sum of its proper divisors (10864449343).

68169294017 is a wasteful number, since it uses less digits than its factorization.

68169294017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52133.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 68169294017 in words is "sixty-eight billion, one hundred sixty-nine million, two hundred ninety-four thousand, seventeen".