556661110605 has 16 divisors (see below), whose sum is σ = 897456694464. Its totient is φ = 294619619840.

The previous prime is 556661110601. The next prime is 556661110631. The reversal of 556661110605 is 506011166655.

It is not a de Polignac number, because 556661110605 - 2² = 556661110601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556661110601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141642084 + ... + 141646013.

It is an arithmetic number, because the mean of its divisors is an integer number (56091043404).

Almost surely, 2^556661110605 is an apocalyptic number.

It is an amenable number.

556661110605 is a deficient number, since it is larger than the sum of its proper divisors (340795583859).

556661110605 is a wasteful number, since it uses less digits than its factorization.

556661110605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283288236.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 556661110605 in words is "five hundred fifty-six billion, six hundred sixty-one million, one hundred ten thousand, six hundred five".