12664005055 has 16 divisors (see below), whose sum is σ = 16379385120. Its totient is φ = 9344112768.

The previous prime is 12664005047. The next prime is 12664005071. The reversal of 12664005055 is 55050046621.

It is a cyclic number.

It is not a de Polignac number, because 12664005055 - 2³ = 12664005047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12664005055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465 + ... + 159154.

It is an arithmetic number, because the mean of its divisors is an integer number (1023711570).

Almost surely, 2^12664005055 is an apocalyptic number.

12664005055 is a deficient number, since it is larger than the sum of its proper divisors (3715380065).

12664005055 is a wasteful number, since it uses less digits than its factorization.

12664005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161850.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 12664005055 in words is "twelve billion, six hundred sixty-four million, five thousand, fifty-five".