12664046366 has 16 divisors (see below), whose sum is σ = 19653881040. Its totient is φ = 6112814400.

The previous prime is 12664046357. The next prime is 12664046377. The reversal of 12664046366 is 66364046621.

It is a happy number.

12664046366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 629666 + ... + 649466.

It is an arithmetic number, because the mean of its divisors is an integer number (1228367565).

Almost surely, 2^12664046366 is an apocalyptic number.

12664046366 is a deficient number, since it is larger than the sum of its proper divisors (6989834674).

12664046366 is a wasteful number, since it uses less digits than its factorization.

12664046366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30859.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 12664046366 in words is "twelve billion, six hundred sixty-four million, forty-six thousand, three hundred sixty-six".