12360556206566 has 16 divisors (see below), whose sum is σ = 19347735790944. Its totient is φ = 5911332561024.

The previous prime is 12360556206563. The next prime is 12360556206611. The reversal of 12360556206566 is 66560265506321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12360556206563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245875 + ... + 6538238.

It is an arithmetic number, because the mean of its divisors is an integer number (1209233486934).

Almost surely, 2^{12360556206566} is an apocalyptic number.

12360556206566 is a deficient number, since it is larger than the sum of its proper divisors (6987179584378).

12360556206566 is a wasteful number, since it uses less digits than its factorization.

12360556206566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809055.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 12360556206566 in words is "twelve trillion, three hundred sixty billion, five hundred fifty-six million, two hundred six thousand, five hundred sixty-six".