12664136755 has 8 divisors (see below), whose sum is σ = 15202569600. Its totient is φ = 10127572416.

The previous prime is 12664136741. The next prime is 12664136783. The reversal of 12664136755 is 55763146621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12664136755 - 2⁷ = 12664136627 is a prime.

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, 452170 + ... + 479359.

It is an arithmetic number, because the mean of its divisors is an integer number (1900321200).

Almost surely, 2^12664136755 is an apocalyptic number.

12664136755 is a deficient number, since it is larger than the sum of its proper divisors (2538432845).

12664136755 is an equidigital number, since it uses as much as digits as its factorization.

12664136755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934253.

The product of its digits is 907200, while the sum is 46.

The spelling of 12664136755 in words is "twelve billion, six hundred sixty-four million, one hundred thirty-six thousand, seven hundred fifty-five".