268906163 has 2 divisors, whose sum is σ = 268906164. Its totient is φ = 268906162.

The previous prime is 268906147. The next prime is 268906193. The reversal of 268906163 is 361609862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268906163 - 2⁴ = 268906147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268906163.

It is not a weakly prime, because it can be changed into another prime (268906123) 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, 134453081 + 134453082.

It is an arithmetic number, because the mean of its divisors is an integer number (134453082).

Almost surely, 2^268906163 is an apocalyptic number.

268906163 is a deficient number, since it is larger than the sum of its proper divisors (1).

268906163 is an equidigital number, since it uses as much as digits as its factorization.

268906163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 268906163 is about 16398.3585459033. The cubic root of 268906163 is about 645.4564107314.

The spelling of 268906163 in words is "two hundred sixty-eight million, nine hundred six thousand, one hundred sixty-three".