5556943816938 has 24 divisors (see below), whose sum is σ = 12267215597988. Its totient is φ = 1817365273152.

The previous prime is 5556943816913. The next prime is 5556943816981. The reversal of 5556943816938 is 8396183496555.

5556943816938 is a `hidden beast` number, since 5 + 5 + 569 + 43 + 8 + 16 + 9 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5544880529049 + 12063287889 = 2354757^2 + 109833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2912443395 + ... + 2912445302.

Almost surely, 2^{5556943816938} is an apocalyptic number.

5556943816938 is an abundant number, since it is smaller than the sum of its proper divisors (6710271781050).

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

5556943816938 is a wasteful number, since it uses less digits than its factorization.

5556943816938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824888758 (or 5824888755 counting only the distinct ones).

The product of its digits is 839808000, while the sum is 72.

The spelling of 5556943816938 in words is "five trillion, five hundred fifty-six billion, nine hundred forty-three million, eight hundred sixteen thousand, nine hundred thirty-eight".