556194191616 has 108 divisors (see below), whose sum is σ = 1832737163712. Its totient is φ = 158912621568.

The previous prime is 556194191573. The next prime is 556194191669. The reversal of 556194191616 is 616191491655.

556194191616 is a `hidden beast` number, since 5 + 5 + 6 + 1 + 9 + 4 + 19 + 1 + 616 = 666.

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 11 ways as a sum of consecutive naturals, for example, 17226996 + ... + 17259251.

Almost surely, 2^556194191616 is an apocalyptic number.

556194191616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

556194191616 is an abundant number, since it is smaller than the sum of its proper divisors (1276542972096).

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

556194191616 is a wasteful number, since it uses less digits than its factorization.

556194191616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34486276 (or 34486259 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The spelling of 556194191616 in words is "five hundred fifty-six billion, one hundred ninety-four million, one hundred ninety-one thousand, six hundred sixteen".