815168 has 28 divisors (see below), whose sum is σ = 1658112. Its totient is φ = 397440.

The previous prime is 815159. The next prime is 815173. The reversal of 815168 is 861518.

Its product of digits (1920) is a multiple of the sum of its prime divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 815168.

It is an unprimeable number.

815168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2873 + ... + 3143.

2⁸¹⁵¹⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 815168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829056).

815168 is an abundant number, since it is smaller than the sum of its proper divisors (842944).

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

815168 is a wasteful number, since it uses less digits than its factorization.

815168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 320 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 815168 is about 902.8665460631. The cubic root of 815168 is about 93.4148041468.

The spelling of 815168 in words is "eight hundred fifteen thousand, one hundred sixty-eight".