163330369 has 2 divisors, whose sum is σ = 163330370. Its totient is φ = 163330368.

The previous prime is 163330361. The next prime is 163330379. The reversal of 163330369 is 963033361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 3560769 = 12640^2 + 1887^2 .

It is a cyclic number.

It is not a de Polignac number, because 163330369 - 2³ = 163330361 is a prime.

It is a super-2 number, since 2×163330369² = 53353618875352322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163330361) 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, 81665184 + 81665185.

It is an arithmetic number, because the mean of its divisors is an integer number (81665185).

Almost surely, 2^163330369 is an apocalyptic number.

It is an amenable number.

163330369 is a deficient number, since it is larger than the sum of its proper divisors (1).

163330369 is an equidigital number, since it uses as much as digits as its factorization.

163330369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 34.

The square root of 163330369 is about 12780.0770341966. The cubic root of 163330369 is about 546.6243590019.

The spelling of 163330369 in words is "one hundred sixty-three million, three hundred thirty thousand, three hundred sixty-nine".