12566628206 has 16 divisors (see below), whose sum is σ = 20565595440. Its totient is φ = 5711542080.

The previous prime is 12566628199. The next prime is 12566628209. The reversal of 12566628206 is 60282666521.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12566628209) 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, 272000 + ... + 314828.

It is an arithmetic number, because the mean of its divisors is an integer number (1285349715).

Almost surely, 2^12566628206 is an apocalyptic number.

12566628206 is a deficient number, since it is larger than the sum of its proper divisors (7998967234).

12566628206 is a wasteful number, since it uses less digits than its factorization.

12566628206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56179.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 12566628206 in words is "twelve billion, five hundred sixty-six million, six hundred twenty-eight thousand, two hundred six".