5666164663 has 2 divisors, whose sum is σ = 5666164664. Its totient is φ = 5666164662.

The previous prime is 5666164643. The next prime is 5666164703. The reversal of 5666164663 is 3664616665.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666164663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666164643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833082331 + 2833082332.

It is an arithmetic number, because the mean of its divisors is an integer number (2833082332).

Almost surely, 2^5666164663 is an apocalyptic number.

5666164663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666164663 is an equidigital number, since it uses as much as digits as its factorization.

5666164663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 49.

The square root of 5666164663 is about 75273.9308326595. The cubic root of 5666164663 is about 1782.7744326389.

The spelling of 5666164663 in words is "five billion, six hundred sixty-six million, one hundred sixty-four thousand, six hundred sixty-three".