163420163 has 2 divisors, whose sum is σ = 163420164. Its totient is φ = 163420162.

The previous prime is 163420141. The next prime is 163420177. The reversal of 163420163 is 361024361.

It is a strong prime.

It is an emirp because it is prime and its reverse (361024361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163420163 - 2¹⁸ = 163158019 is a prime.

It is a super-2 number, since 2×163420163² = 53412299349893138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163420123) 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, 81710081 + 81710082.

It is an arithmetic number, because the mean of its divisors is an integer number (81710082).

Almost surely, 2^163420163 is an apocalyptic number.

163420163 is a deficient number, since it is larger than the sum of its proper divisors (1).

163420163 is an equidigital number, since it uses as much as digits as its factorization.

163420163 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 26.

The square root of 163420163 is about 12783.5895976052. The cubic root of 163420163 is about 546.7245130554.

The spelling of 163420163 in words is "one hundred sixty-three million, four hundred twenty thousand, one hundred sixty-three".