556246424642655 has 8 divisors (see below), whose sum is σ = 889994279428272. Its totient is φ = 296664759809408.

The previous prime is 556246424642653. The next prime is 556246424642707.

It is a happy number.

556246424642655 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556246424642655 - 2¹ = 556246424642653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556246424642651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18541547488074 + ... + 18541547488103.

It is an arithmetic number, because the mean of its divisors is an integer number (111249284928534).

Almost surely, 2^{556246424642655} is an apocalyptic number.

556246424642655 is a deficient number, since it is larger than the sum of its proper divisors (333747854785617).

556246424642655 is a wasteful number, since it uses less digits than its factorization.

556246424642655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37083094976185.

The product of its digits is 1658880000, while the sum is 66.

The spelling of 556246424642655 in words is "five hundred fifty-six trillion, two hundred forty-six billion, four hundred twenty-four million, six hundred forty-two thousand, six hundred fifty-five".