201664159 has 2 divisors, whose sum is σ = 201664160. Its totient is φ = 201664158.

The previous prime is 201664153. The next prime is 201664163. The reversal of 201664159 is 951466102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201664159 - 2⁹ = 201663647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201664153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100832079 + 100832080.

It is an arithmetic number, because the mean of its divisors is an integer number (100832080).

Almost surely, 2^201664159 is an apocalyptic number.

201664159 is a deficient number, since it is larger than the sum of its proper divisors (1).

201664159 is an equidigital number, since it uses as much as digits as its factorization.

201664159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 201664159 is about 14200.8506435354. The cubic root of 201664159 is about 586.4210796648.

The spelling of 201664159 in words is "two hundred one million, six hundred sixty-four thousand, one hundred fifty-nine".