163320117 has 4 divisors (see below), whose sum is σ = 217760160. Its totient is φ = 108880076.

The previous prime is 163320077. The next prime is 163320133. The reversal of 163320117 is 711023361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163320117 - 2⁸ = 163319861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163320187) 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 in 3 ways as a sum of consecutive naturals, for example, 27220017 + ... + 27220022.

It is an arithmetic number, because the mean of its divisors is an integer number (54440040).

Almost surely, 2^163320117 is an apocalyptic number.

It is an amenable number.

163320117 is a deficient number, since it is larger than the sum of its proper divisors (54440043).

163320117 is an equidigital number, since it uses as much as digits as its factorization.

163320117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54440042.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 163320117 is about 12779.6759348584. The cubic root of 163320117 is about 546.6129218348.

Adding to 163320117 its reverse (711023361), we get a palindrome (874343478).

The spelling of 163320117 in words is "one hundred sixty-three million, three hundred twenty thousand, one hundred seventeen".