556171568117 has 16 divisors (see below), whose sum is σ = 611191896000. Its totient is φ = 501895578240.

The previous prime is 556171568087. The next prime is 556171568119. The reversal of 556171568117 is 711865171655.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 556171568117 - 2¹² = 556171564021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556171568119) 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, 11408009 + ... + 11456657.

It is an arithmetic number, because the mean of its divisors is an integer number (38199493500).

Almost surely, 2^556171568117 is an apocalyptic number.

It is an amenable number.

556171568117 is a deficient number, since it is larger than the sum of its proper divisors (55020327883).

556171568117 is a wasteful number, since it uses less digits than its factorization.

556171568117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56276.

The product of its digits is 1764000, while the sum is 53.

The spelling of 556171568117 in words is "five hundred fifty-six billion, one hundred seventy-one million, five hundred sixty-eight thousand, one hundred seventeen".