556346282643655 has 64 divisors (see below), whose sum is σ = 825076731543552. Its totient is φ = 351407017543680.

The previous prime is 556346282643653. The next prime is 556346282643751.

556346282643655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556346282643655 - 2¹ = 556346282643653 is a prime.

It is a super-2 number, since 2×556346282643655² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556346282643653) 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 63 ways as a sum of consecutive naturals, for example, 1562254477 + ... + 1562610553.

It is an arithmetic number, because the mean of its divisors is an integer number (12891823930368).

Almost surely, 2^{556346282643655} is an apocalyptic number.

556346282643655 is a deficient number, since it is larger than the sum of its proper divisors (268730448899897).

556346282643655 is a wasteful number, since it uses less digits than its factorization.

556346282643655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412024.

The product of its digits is 3732480000, while the sum is 70.

The spelling of 556346282643655 in words is "five hundred fifty-six trillion, three hundred forty-six billion, two hundred eighty-two million, six hundred forty-three thousand, six hundred fifty-five".