6558888888556 has 12 divisors (see below), whose sum is σ = 11873850574320. Its totient is φ = 3166360153040.

The previous prime is 6558888888547. The next prime is 6558888888569.

6558888888556 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28271072680 + ... + 28271072911.

It is an arithmetic number, because the mean of its divisors is an integer number (989487547860).

Almost surely, 2^{6558888888556} is an apocalyptic number.

It is an amenable number.

6558888888556 is a deficient number, since it is larger than the sum of its proper divisors (5314961685764).

6558888888556 is a wasteful number, since it uses less digits than its factorization.

6558888888556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56542145624 (or 56542145622 counting only the distinct ones).

The product of its digits is 47185920000, while the sum is 88.

The spelling of 6558888888556 in words is "six trillion, five hundred fifty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, five hundred fifty-six".