131171168 has 24 divisors (see below), whose sum is σ = 266575680. Its totient is φ = 63469440.

The previous prime is 131171123. The next prime is 131171171. The reversal of 131171168 is 861171131.

It is a self number, because there is not a number n which added to its sum of digits gives 131171168.

It is a congruent number.

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, 65123 + ... + 67106.

It is an arithmetic number, because the mean of its divisors is an integer number (11107320).

Almost surely, 2^131171168 is an apocalyptic number.

It is an amenable number.

131171168 is an abundant number, since it is smaller than the sum of its proper divisors (135404512).

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

131171168 is a wasteful number, since it uses less digits than its factorization.

131171168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132270 (or 132262 counting only the distinct ones).

The product of its digits is 1008, while the sum is 29.

The square root of 131171168 is about 11452.9982100758. The cubic root of 131171168 is about 508.0964125604.

The spelling of 131171168 in words is "one hundred thirty-one million, one hundred seventy-one thousand, one hundred sixty-eight".