163065 has 16 divisors (see below), whose sum is σ = 298368. Its totient is φ = 74496.

The previous prime is 163063. The next prime is 163109. The reversal of 163065 is 560361.

163065 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 163065 - 2¹ = 163063 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (163061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (18648).

2¹⁶³⁰⁶⁵ is an apocalyptic number.

163065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163065 is a deficient number, since it is larger than the sum of its proper divisors (135303).

163065 is a wasteful number, since it uses less digits than its factorization.

163065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568.

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

The square root of 163065 is about 403.8130755684. The cubic root of 163065 is about 54.6328158135.

It can be divided in two parts, 16 and 3065, that added together give a triangular number (3081 = T₇₈).

The spelling of 163065 in words is "one hundred sixty-three thousand, sixty-five".