12664290057 has 16 divisors (see below), whose sum is σ = 17365129920. Its totient is φ = 8206133312.

The previous prime is 12664290047. The next prime is 12664290073. The reversal of 12664290057 is 75009246621.

It is not a de Polignac number, because 12664290057 - 2⁷ = 12664289929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12664290017) 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 15 ways as a sum of consecutive naturals, for example, 355182 + ... + 389207.

It is an arithmetic number, because the mean of its divisors is an integer number (1085320620).

Almost surely, 2^12664290057 is an apocalyptic number.

It is an amenable number.

12664290057 is a deficient number, since it is larger than the sum of its proper divisors (4700839863).

12664290057 is a wasteful number, since it uses less digits than its factorization.

12664290057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744552.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12664290057 in words is "twelve billion, six hundred sixty-four million, two hundred ninety thousand, fifty-seven".