12655476668 has 48 divisors (see below), whose sum is σ = 24516281664. Its totient is φ = 5685672960.

The previous prime is 12655476641. The next prime is 12655476671. The reversal of 12655476668 is 86667455621.

It is a super-2 number, since 2×12655476668² (a number of 21 digits) contains 22 as substring.

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, 838646 + ... + 853602.

It is an arithmetic number, because the mean of its divisors is an integer number (510755868).

Almost surely, 2^12655476668 is an apocalyptic number.

It is an amenable number.

12655476668 is a deficient number, since it is larger than the sum of its proper divisors (11860804996).

12655476668 is a wasteful number, since it uses less digits than its factorization.

12655476668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542 (or 15540 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 56.

The spelling of 12655476668 in words is "twelve billion, six hundred fifty-five million, four hundred seventy-six thousand, six hundred sixty-eight".