6556116600555 has 16 divisors (see below), whose sum is σ = 10712973510144. Its totient is φ = 3422199870560.

The previous prime is 6556116600547. The next prime is 6556116600557. The reversal of 6556116600555 is 5550066116556.

It is not a de Polignac number, because 6556116600555 - 2³ = 6556116600547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6556116600498 and 6556116600507.

It is not an unprimeable number, because it can be changed into a prime (6556116600557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4649727381 + ... + 4649728790.

It is an arithmetic number, because the mean of its divisors is an integer number (669560844384).

Almost surely, 2^{6556116600555} is an apocalyptic number.

6556116600555 is a deficient number, since it is larger than the sum of its proper divisors (4156856909589).

6556116600555 is a wasteful number, since it uses less digits than its factorization.

6556116600555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299456226.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 6556116600555 in words is "six trillion, five hundred fifty-six billion, one hundred sixteen million, six hundred thousand, five hundred fifty-five".