168717427199 has 8 divisors (see below), whose sum is σ = 179374722912. Its totient is φ = 158336944480.

The previous prime is 168717427189. The next prime is 168717427213. The reversal of 168717427199 is 991724717861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168717427199 - 2³⁶ = 99997950463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168717427169) 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, 69201992 + ... + 69204429.

It is an arithmetic number, because the mean of its divisors is an integer number (22421840364).

Almost surely, 2^168717427199 is an apocalyptic number.

168717427199 is a deficient number, since it is larger than the sum of its proper divisors (10657295713).

168717427199 is a wasteful number, since it uses less digits than its factorization.

168717427199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138406497.

The product of its digits is 10668672, while the sum is 62.

The spelling of 168717427199 in words is "one hundred sixty-eight billion, seven hundred seventeen million, four hundred twenty-seven thousand, one hundred ninety-nine".