818168 has 16 divisors (see below), whose sum is σ = 1652280. Its totient is φ = 377568.

The previous prime is 818143. The next prime is 818171. The reversal of 818168 is 861818.

It is a happy number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

818168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3830 + ... + 4037.

2⁸¹⁸¹⁶⁸ is an apocalyptic number.

It is an amenable number.

818168 is an abundant number, since it is smaller than the sum of its proper divisors (834112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818168 is a wasteful number, since it uses less digits than its factorization.

818168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886 (or 7882 counting only the distinct ones).

The product of its digits is 3072, while the sum is 32.

The square root of 818168 is about 904.5263954136. The cubic root of 818168 is about 93.5292596235.

The spelling of 818168 in words is "eight hundred eighteen thousand, one hundred sixty-eight".