12662693718 has 16 divisors (see below), whose sum is σ = 25557731760. Its totient is φ = 4182173856.

The previous prime is 12662693713. The next prime is 12662693753. The reversal of 12662693718 is 81739626621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662693713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9680305 + ... + 9681612.

It is an arithmetic number, because the mean of its divisors is an integer number (1597358235).

Almost surely, 2^12662693718 is an apocalyptic number.

12662693718 is an abundant number, since it is smaller than the sum of its proper divisors (12895038042).

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

12662693718 is a wasteful number, since it uses less digits than its factorization.

12662693718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19362031.

The product of its digits is 1306368, while the sum is 51.

The spelling of 12662693718 in words is "twelve billion, six hundred sixty-two million, six hundred ninety-three thousand, seven hundred eighteen".