1313166172 has 24 divisors (see below), whose sum is σ = 2311102080. Its totient is φ = 652861440.

The previous prime is 1313166161. The next prime is 1313166181. The reversal of 1313166172 is 2716613131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018104 + ... + 1019392.

It is an arithmetic number, because the mean of its divisors is an integer number (96295920).

Almost surely, 2^1313166172 is an apocalyptic number.

It is an amenable number.

1313166172 is a deficient number, since it is larger than the sum of its proper divisors (997935908).

1313166172 is a wasteful number, since it uses less digits than its factorization.

1313166172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2539 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 1313166172 is about 36237.6347462138. The cubic root of 1313166172 is about 1095.0649925631.

The spelling of 1313166172 in words is "one billion, three hundred thirteen million, one hundred sixty-six thousand, one hundred seventy-two".