817950163 has 2 divisors, whose sum is σ = 817950164. Its totient is φ = 817950162.

The previous prime is 817950131. The next prime is 817950179. The reversal of 817950163 is 361059718.

817950163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 817950163 - 2⁵ = 817950131 is a prime.

It is not a weakly prime, because it can be changed into another prime (817950193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408975081 + 408975082.

It is an arithmetic number, because the mean of its divisors is an integer number (408975082).

Almost surely, 2^817950163 is an apocalyptic number.

817950163 is a deficient number, since it is larger than the sum of its proper divisors (1).

817950163 is an equidigital number, since it uses as much as digits as its factorization.

817950163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 817950163 is about 28599.8280239585. The cubic root of 817950163 is about 935.2095817372.

The spelling of 817950163 in words is "eight hundred seventeen million, nine hundred fifty thousand, one hundred sixty-three".