163318153 has 2 divisors, whose sum is σ = 163318154. Its totient is φ = 163318152.

The previous prime is 163318117. The next prime is 163318159. The reversal of 163318153 is 351813361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155550784 + 7767369 = 12472^2 + 2787^2 .

It is an emirp because it is prime and its reverse (351813361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163318153 - 2¹⁷ = 163187081 is a prime.

It is not a weakly prime, because it can be changed into another prime (163318159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81659076 + 81659077.

It is an arithmetic number, because the mean of its divisors is an integer number (81659077).

Almost surely, 2^163318153 is an apocalyptic number.

It is an amenable number.

163318153 is a deficient number, since it is larger than the sum of its proper divisors (1).

163318153 is an equidigital number, since it uses as much as digits as its factorization.

163318153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 163318153 is about 12779.5990938683. The cubic root of 163318153 is about 546.6107307349.

The spelling of 163318153 in words is "one hundred sixty-three million, three hundred eighteen thousand, one hundred fifty-three".