5666227021631 has 4 divisors (see below), whose sum is σ = 6181338569064. Its totient is φ = 5151115474200.

The previous prime is 5666227021627. The next prime is 5666227021643. The reversal of 5666227021631 is 1361207226665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5666227021631 - 2² = 5666227021627 is a prime.

It is a super-2 number, since 2×5666227021631² (a number of 26 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 (5666227021681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257555773700 + ... + 257555773721.

It is an arithmetic number, because the mean of its divisors is an integer number (1545334642266).

Almost surely, 2^{5666227021631} is an apocalyptic number.

5666227021631 is a deficient number, since it is larger than the sum of its proper divisors (515111547433).

5666227021631 is a wasteful number, since it uses less digits than its factorization.

5666227021631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515111547432.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 5666227021631 in words is "five trillion, six hundred sixty-six billion, two hundred twenty-seven million, twenty-one thousand, six hundred thirty-one".