12553674656 has 48 divisors (see below), whose sum is σ = 24865803144. Its totient is φ = 6238654464.

The previous prime is 12553674647. The next prime is 12553674677. The reversal of 12553674656 is 65647635521.

It is a happy number.

12553674656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11798304400 + 755370256 = 108620^2 + 27484^2 .

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, 5464100 + ... + 5466396.

Almost surely, 2^12553674656 is an apocalyptic number.

12553674656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12553674656 is a deficient number, since it is larger than the sum of its proper divisors (12312128488).

12553674656 is a wasteful number, since it uses less digits than its factorization.

12553674656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273 (or 3265 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 50.

The spelling of 12553674656 in words is "twelve billion, five hundred fifty-three million, six hundred seventy-four thousand, six hundred fifty-six".