5666227257205 has 12 divisors (see below), whose sum is σ = 7107955405740. Its totient is φ = 4335895638272.

The previous prime is 5666227257167. The next prime is 5666227257221. The reversal of 5666227257205 is 5027527226665.

It can be written as a sum of positive squares in 2 ways, for example, as 4367372710276 + 1298854546929 = 2089826^2 + 1139673^2 .

It is not a de Polignac number, because 5666227257205 - 2⁹ = 5666227256693 is a prime.

It is a super-2 number, since 2×5666227257205² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071117820 + ... + 1071123109.

It is an arithmetic number, because the mean of its divisors is an integer number (592329617145).

Almost surely, 2^{5666227257205} is an apocalyptic number.

It is an amenable number.

5666227257205 is a deficient number, since it is larger than the sum of its proper divisors (1441728148535).

5666227257205 is a wasteful number, since it uses less digits than its factorization.

5666227257205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142240980 (or 2142240957 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 5666227257205 in words is "five trillion, six hundred sixty-six billion, two hundred twenty-seven million, two hundred fifty-seven thousand, two hundred five".