5666227021643 has 2 divisors, whose sum is σ = 5666227021644. Its totient is φ = 5666227021642.

The previous prime is 5666227021627. The next prime is 5666227021667. The reversal of 5666227021643 is 3461207226665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5666227021643 - 2⁴ = 5666227021627 is a prime.

It is a super-2 number, since 2×5666227021643² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5666227021591 and 5666227021600.

It is not a weakly prime, because it can be changed into another prime (5666227021843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833113510821 + 2833113510822.

It is an arithmetic number, because the mean of its divisors is an integer number (2833113510822).

Almost surely, 2^{5666227021643} is an apocalyptic number.

5666227021643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666227021643 is an equidigital number, since it uses as much as digits as its factorization.

5666227021643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 5666227021643 in words is "five trillion, six hundred sixty-six billion, two hundred twenty-seven million, twenty-one thousand, six hundred forty-three".