163118 has 4 divisors (see below), whose sum is σ = 244680. Its totient is φ = 81558.

The previous prime is 163117. The next prime is 163127. The reversal of 163118 is 811361.

163118 is nontrivially palindromic in base 14.

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

It is a self number, because there is not a number n which added to its sum of digits gives 163118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40778 + ... + 40781.

It is an arithmetic number, because the mean of its divisors is an integer number (61170).

2¹⁶³¹¹⁸ is an apocalyptic number.

163118 is a deficient number, since it is larger than the sum of its proper divisors (81562).

163118 is an equidigital number, since it uses as much as digits as its factorization.

163118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81561.

The product of its digits is 144, while the sum is 20.

The square root of 163118 is about 403.8786946597. The cubic root of 163118 is about 54.6387341602.

Adding to 163118 its reverse (811361), we get a palindrome (974479).

The spelling of 163118 in words is "one hundred sixty-three thousand, one hundred eighteen".