206514163 has 2 divisors, whose sum is σ = 206514164. Its totient is φ = 206514162.

The previous prime is 206514151. The next prime is 206514169. The reversal of 206514163 is 361415602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206514163 - 2⁹ = 206513651 is a prime.

It is not a weakly prime, because it can be changed into another prime (206514169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103257081 + 103257082.

It is an arithmetic number, because the mean of its divisors is an integer number (103257082).

Almost surely, 2^206514163 is an apocalyptic number.

206514163 is a deficient number, since it is larger than the sum of its proper divisors (1).

206514163 is an equidigital number, since it uses as much as digits as its factorization.

206514163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 206514163 is about 14370.6006485463. The cubic root of 206514163 is about 591.0850119587.

Adding to 206514163 its reverse (361415602), we get a palindrome (567929765).

The spelling of 206514163 in words is "two hundred six million, five hundred fourteen thousand, one hundred sixty-three".