206396159 has 2 divisors, whose sum is σ = 206396160. Its totient is φ = 206396158.

The previous prime is 206396153. The next prime is 206396243. The reversal of 206396159 is 951693602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206396159 - 2⁴ = 206396143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206396153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103198079 + 103198080.

It is an arithmetic number, because the mean of its divisors is an integer number (103198080).

Almost surely, 2^206396159 is an apocalyptic number.

206396159 is a deficient number, since it is larger than the sum of its proper divisors (1).

206396159 is an equidigital number, since it uses as much as digits as its factorization.

206396159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 206396159 is about 14366.4943183784. The cubic root of 206396159 is about 590.9724067919.

The spelling of 206396159 in words is "two hundred six million, three hundred ninety-six thousand, one hundred fifty-nine".