163105117 has 8 divisors (see below), whose sum is σ = 186489536. Its totient is φ = 139741632.

The previous prime is 163105091. The next prime is 163105133. The reversal of 163105117 is 711501361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163105117 - 2²⁷ = 28887389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163105091 and 163105100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163105147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18898 + ... + 26140.

It is an arithmetic number, because the mean of its divisors is an integer number (23311192).

Almost surely, 2^163105117 is an apocalyptic number.

It is an amenable number.

163105117 is a deficient number, since it is larger than the sum of its proper divisors (23384419).

163105117 is an equidigital number, since it uses as much as digits as its factorization.

163105117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 163105117 is about 12771.2613707496. The cubic root of 163105117 is about 546.3729567324.

Adding to 163105117 its reverse (711501361), we get a palindrome (874606478).

The spelling of 163105117 in words is "one hundred sixty-three million, one hundred five thousand, one hundred seventeen".