168311606873 has 8 divisors (see below), whose sum is σ = 175644661248. Its totient is φ = 160979815744.

The previous prime is 168311606857. The next prime is 168311606891. The reversal of 168311606873 is 378606113861.

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 168311606873 - 2⁴ = 168311606857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168311606833) 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, 38336 + ... + 581457.

It is an arithmetic number, because the mean of its divisors is an integer number (21955582656).

Almost surely, 2^168311606873 is an apocalyptic number.

It is an amenable number.

168311606873 is a deficient number, since it is larger than the sum of its proper divisors (7333054375).

168311606873 is a wasteful number, since it uses less digits than its factorization.

168311606873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631623.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 168311606873 in words is "one hundred sixty-eight billion, three hundred eleven million, six hundred six thousand, eight hundred seventy-three".