12536664366 has 16 divisors (see below), whose sum is σ = 25390713600. Its totient is φ = 4125990648.

The previous prime is 12536664347. The next prime is 12536664391. The reversal of 12536664366 is 66346663521.

It is a congruent number.

It is an unprimeable number.

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, 13223856 + ... + 13224803.

It is an arithmetic number, because the mean of its divisors is an integer number (1586919600).

Almost surely, 2^12536664366 is an apocalyptic number.

12536664366 is an abundant number, since it is smaller than the sum of its proper divisors (12854049234).

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

12536664366 is a wasteful number, since it uses less digits than its factorization.

12536664366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448743.

The product of its digits is 2799360, while the sum is 48.

The spelling of 12536664366 in words is "twelve billion, five hundred thirty-six million, six hundred sixty-four thousand, three hundred sixty-six".