868163 has 4 divisors (see below), whose sum is σ = 871728. Its totient is φ = 864600.

The previous prime is 868157. The next prime is 868171. The reversal of 868163 is 361868.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868163 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (868103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388 + ... + 1913.

It is an arithmetic number, because the mean of its divisors is an integer number (217932).

2⁸⁶⁸¹⁶³ is an apocalyptic number.

868163 is a deficient number, since it is larger than the sum of its proper divisors (3565).

868163 is a wasteful number, since it uses less digits than its factorization.

868163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564.

The product of its digits is 6912, while the sum is 32.

The square root of 868163 is about 931.7526495803. The cubic root of 868163 is about 95.3967891657.

The spelling of 868163 in words is "eight hundred sixty-eight thousand, one hundred sixty-three".