556100100612 has 432 divisors, whose sum is σ = 1798649379072. Its totient is φ = 141586030080.

The previous prime is 556100100607. The next prime is 556100100643. The reversal of 556100100612 is 216001001655.

It is a happy number.

556100100612 is a `hidden beast` number, since 556 + 1 + 0 + 0 + 100 + 6 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 127631538 + ... + 127635894.

Almost surely, 2^556100100612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556100100612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899324689536).

556100100612 is an abundant number, since it is smaller than the sum of its proper divisors (1242549278460).

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

556100100612 is a wasteful number, since it uses less digits than its factorization.

556100100612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 556100100612 in words is "five hundred fifty-six billion, one hundred million, one hundred thousand, six hundred twelve".