556066225666231 has 6 divisors (see below), whose sum is σ = 646852548224040. Its totient is φ = 476628193428156.

The previous prime is 556066225666177. The next prime is 556066225666241. The reversal of 556066225666231 is 132666522660655.

It is a happy number.

It is not a de Polignac number, because 556066225666231 - 2¹⁹ = 556066225141943 is a prime.

It is a super-3 number, since 3×556066225666231³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556066225666231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556066225666241) 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 5 ways as a sum of consecutive naturals, for example, 5674145159811 + ... + 5674145159908.

It is an arithmetic number, because the mean of its divisors is an integer number (107808758037340).

Almost surely, 2^{556066225666231} is an apocalyptic number.

556066225666231 is a deficient number, since it is larger than the sum of its proper divisors (90786322557809).

556066225666231 is a wasteful number, since it uses less digits than its factorization.

556066225666231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348290319733 (or 11348290319726 counting only the distinct ones).

The product of its (nonzero) digits is 139968000, while the sum is 61.

The spelling of 556066225666231 in words is "five hundred fifty-six trillion, sixty-six billion, two hundred twenty-five million, six hundred sixty-six thousand, two hundred thirty-one".