9918163 has 2 divisors, whose sum is σ = 9918164. Its totient is φ = 9918162.

The previous prime is 9918143. The next prime is 9918169. The reversal of 9918163 is 3618199.

9918163 is digitally balanced in base 3, 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 9918163 - 2⁵ = 9918131 is a prime.

It is not a weakly prime, because it can be changed into another prime (9918169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4959081 + 4959082.

It is an arithmetic number, because the mean of its divisors is an integer number (4959082).

Almost surely, 2^9918163 is an apocalyptic number.

9918163 is a deficient number, since it is larger than the sum of its proper divisors (1).

9918163 is an equidigital number, since it uses as much as digits as its factorization.

9918163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The square root of 9918163 is about 3149.3115120610. The cubic root of 9918163 is about 214.8541502258.

The spelling of 9918163 in words is "nine million, nine hundred eighteen thousand, one hundred sixty-three".