64166444183 has 2 divisors, whose sum is σ = 64166444184. Its totient is φ = 64166444182.

The previous prime is 64166444161. The next prime is 64166444197. The reversal of 64166444183 is 38144466146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64166444183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64166444113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32083222091 + 32083222092.

It is an arithmetic number, because the mean of its divisors is an integer number (32083222092).

Almost surely, 2^64166444183 is an apocalyptic number.

64166444183 is a deficient number, since it is larger than the sum of its proper divisors (1).

64166444183 is an equidigital number, since it uses as much as digits as its factorization.

64166444183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 47.

The spelling of 64166444183 in words is "sixty-four billion, one hundred sixty-six million, four hundred forty-four thousand, one hundred eighty-three".