556645674312 has 128 divisors (see below), whose sum is σ = 1903062201600. Its totient is φ = 146807645184.

The previous prime is 556645674311. The next prime is 556645674317. The reversal of 556645674312 is 213476546655.

556645674312 is a `hidden beast` number, since 5 + 5 + 6 + 64 + 567 + 4 + 3 + 12 = 666.

It is a super-2 number, since 2×556645674312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (556645674311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14140033 + ... + 14179344.

It is an arithmetic number, because the mean of its divisors is an integer number (14867673450).

Almost surely, 2^556645674312 is an apocalyptic number.

556645674312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

556645674312 is an abundant number, since it is smaller than the sum of its proper divisors (1346416527288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556645674312 is a wasteful number, since it uses less digits than its factorization.

556645674312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28319412 (or 28319402 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 556645674312 in words is "five hundred fifty-six billion, six hundred forty-five million, six hundred seventy-four thousand, three hundred twelve".