556197053816 has 24 divisors (see below), whose sum is σ = 1047605351520. Its totient is φ = 276835768896.

The previous prime is 556197053807. The next prime is 556197053821. The reversal of 556197053816 is 618350791655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31491260 + ... + 31508916.

It is an arithmetic number, because the mean of its divisors is an integer number (43650222980).

Almost surely, 2^556197053816 is an apocalyptic number.

It is an amenable number.

556197053816 is a deficient number, since it is larger than the sum of its proper divisors (491408297704).

556197053816 is an frugal number, since it uses more digits than its factorization.

556197053816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35543 (or 17882 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 556197053816 in words is "five hundred fifty-six billion, one hundred ninety-seven million, fifty-three thousand, eight hundred sixteen".