65163 has 16 divisors (see below), whose sum is σ = 103680. Its totient is φ = 35616.

The previous prime is 65147. The next prime is 65167. The reversal of 65163 is 36156.

It is not a de Polignac number, because 65163 - 2⁴ = 65147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

65163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (65167) 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 in 15 ways as a sum of consecutive naturals, for example, 556 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

2⁶⁵¹⁶³ is an apocalyptic number.

65163 is a deficient number, since it is larger than the sum of its proper divisors (38517).

65163 is a wasteful number, since it uses less digits than its factorization.

65163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146.

The product of its digits is 540, while the sum is 21.

The square root of 65163 is about 255.2704448227. The cubic root of 65163 is about 40.2408386747.

Adding to 65163 its product of digits (540), we get a triangular number (65703 = T₃₆₂).

The spelling of 65163 in words is "sixty-five thousand, one hundred sixty-three".