206340163 has 2 divisors, whose sum is σ = 206340164. Its totient is φ = 206340162.

The previous prime is 206340151. The next prime is 206340223. The reversal of 206340163 is 361043602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206340163 - 2¹³ = 206331971 is a prime.

It is not a weakly prime, because it can be changed into another prime (206340263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103170081 + 103170082.

It is an arithmetic number, because the mean of its divisors is an integer number (103170082).

Almost surely, 2^206340163 is an apocalyptic number.

206340163 is a deficient number, since it is larger than the sum of its proper divisors (1).

206340163 is an equidigital number, since it uses as much as digits as its factorization.

206340163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 206340163 is about 14364.5453460943. The cubic root of 206340163 is about 590.9189576642.

Adding to 206340163 its reverse (361043602), we get a palindrome (567383765).

The spelling of 206340163 in words is "two hundred six million, three hundred forty thousand, one hundred sixty-three".