166053955159 has 2 divisors, whose sum is σ = 166053955160. Its totient is φ = 166053955158.

The previous prime is 166053955139. The next prime is 166053955213. The reversal of 166053955159 is 951559350661.

166053955159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166053955159 - 2²⁹ = 165517084247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166053955139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83026977579 + 83026977580.

It is an arithmetic number, because the mean of its divisors is an integer number (83026977580).

Almost surely, 2^166053955159 is an apocalyptic number.

166053955159 is a deficient number, since it is larger than the sum of its proper divisors (1).

166053955159 is an equidigital number, since it uses as much as digits as its factorization.

166053955159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5467500, while the sum is 55.

The spelling of 166053955159 in words is "one hundred sixty-six billion, fifty-three million, nine hundred fifty-five thousand, one hundred fifty-nine".