164245566244211 has 2 divisors, whose sum is σ = 164245566244212. Its totient is φ = 164245566244210.

The previous prime is 164245566244139. The next prime is 164245566244217. The reversal of 164245566244211 is 112442665542461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164245566244211 is a prime.

It is not a weakly prime, because it can be changed into another prime (164245566244217) 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, 82122783122105 + 82122783122106.

It is an arithmetic number, because the mean of its divisors is an integer number (82122783122106).

Almost surely, 2^{164245566244211} is an apocalyptic number.

164245566244211 is a deficient number, since it is larger than the sum of its proper divisors (1).

164245566244211 is an equidigital number, since it uses as much as digits as its factorization.

164245566244211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 53.

The spelling of 164245566244211 in words is "one hundred sixty-four trillion, two hundred forty-five billion, five hundred sixty-six million, two hundred forty-four thousand, two hundred eleven".