12791582169 has 64 divisors (see below), whose sum is σ = 18386430720. Its totient is φ = 7897927680.

The previous prime is 12791582147. The next prime is 12791582207. The reversal of 12791582169 is 96128519721.

It is not a de Polignac number, because 12791582169 - 2⁹ = 12791581657 is a prime.

It is a super-2 number, since 2×12791582169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12791582269) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46178859 + ... + 46179135.

It is an arithmetic number, because the mean of its divisors is an integer number (287287980).

Almost surely, 2^12791582169 is an apocalyptic number.

It is an amenable number.

12791582169 is a deficient number, since it is larger than the sum of its proper divisors (5594848551).

12791582169 is a wasteful number, since it uses less digits than its factorization.

12791582169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its digits is 544320, while the sum is 51.

The spelling of 12791582169 in words is "twelve billion, seven hundred ninety-one million, five hundred eighty-two thousand, one hundred sixty-nine".