163330239 has 4 divisors (see below), whose sum is σ = 217773656. Its totient is φ = 108886824.

The previous prime is 163330229. The next prime is 163330261. The reversal of 163330239 is 932033361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163330239 - 2¹² = 163326143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163330229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27221704 + ... + 27221709.

It is an arithmetic number, because the mean of its divisors is an integer number (54443414).

Almost surely, 2^163330239 is an apocalyptic number.

163330239 is a deficient number, since it is larger than the sum of its proper divisors (54443417).

163330239 is an equidigital number, since it uses as much as digits as its factorization.

163330239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54443416.

The product of its (nonzero) digits is 8748, while the sum is 30.

The square root of 163330239 is about 12780.0719481543. The cubic root of 163330239 is about 546.6242139764.

The spelling of 163330239 in words is "one hundred sixty-three million, three hundred thirty thousand, two hundred thirty-nine".