556632767236655 has 8 divisors (see below), whose sum is σ = 668062384959984. Its totient is φ = 445237504272000.

The previous prime is 556632767236619. The next prime is 556632767236657.

It is a happy number.

556632767236655 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 556632767236655 - 2⁶ = 556632767236591 is a prime.

It is a super-2 number, since 2×556632767236655² (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 (556632767236657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8588654021 + ... + 8588718830.

It is an arithmetic number, because the mean of its divisors is an integer number (83507798119998).

Almost surely, 2^{556632767236655} is an apocalyptic number.

556632767236655 is a deficient number, since it is larger than the sum of its proper divisors (111429617723329).

556632767236655 is a wasteful number, since it uses less digits than its factorization.

556632767236655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17177379337.

The product of its digits is 8573040000, while the sum is 74.

The spelling of 556632767236655 in words is "five hundred fifty-six trillion, six hundred thirty-two billion, seven hundred sixty-seven million, two hundred thirty-six thousand, six hundred fifty-five".