3166731317172 has 12 divisors (see below), whose sum is σ = 7389039740096. Its totient is φ = 1055577105720.

The previous prime is 3166731317059. The next prime is 3166731317173. The reversal of 3166731317172 is 2717131376613.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3166731317173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131947138204 + ... + 131947138227.

Almost surely, 2^{3166731317172} is an apocalyptic number.

It is an amenable number.

3166731317172 is an abundant number, since it is smaller than the sum of its proper divisors (4222308422924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3166731317172 is a wasteful number, since it uses less digits than its factorization.

3166731317172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263894276438 (or 263894276436 counting only the distinct ones).

The product of its digits is 666792, while the sum is 48.

The spelling of 3166731317172 in words is "three trillion, one hundred sixty-six billion, seven hundred thirty-one million, three hundred seventeen thousand, one hundred seventy-two".