12566343116 has 12 divisors (see below), whose sum is σ = 22043338800. Its totient is φ = 6268246320.

The previous prime is 12566343107. The next prime is 12566343161. The reversal of 12566343116 is 61134366521.

12566343116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12566343116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3729416 + ... + 3732783.

It is an arithmetic number, because the mean of its divisors is an integer number (1836944900).

Almost surely, 2^12566343116 is an apocalyptic number.

It is an amenable number.

12566343116 is a deficient number, since it is larger than the sum of its proper divisors (9476995684).

12566343116 is a wasteful number, since it uses less digits than its factorization.

12566343116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7462624 (or 7462622 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The spelling of 12566343116 in words is "twelve billion, five hundred sixty-six million, three hundred forty-three thousand, one hundred sixteen".