8163 has 6 divisors (see below), whose sum is σ = 11804. Its totient is φ = 5436.

The previous prime is 8161. The next prime is 8167. The reversal of 8163 is 3618.

Added to its reverse (3618) it gives a triangular number (11781 = T₁₅₃).

It is not a de Polignac number, because 8163 - 2¹ = 8161 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (8161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445 + ... + 462.

2⁸¹⁶³ is an apocalyptic number.

8163 is a deficient number, since it is larger than the sum of its proper divisors (3641).

8163 is a wasteful number, since it uses less digits than its factorization.

8163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 910 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 8163 is about 90.3493220783. The cubic root of 8163 is about 20.1349211014.

Adding to 8163 its reverse (3618), we get a triangular number (11781 = T₁₅₃).

It can be divided in two parts, 81 and 63, that added together give a square (144 = 12²).

The spelling of 8163 in words is "eight thousand, one hundred sixty-three".