163533 has 12 divisors (see below), whose sum is σ = 231648. Its totient is φ = 102600.

The previous prime is 163517. The next prime is 163543. The reversal of 163533 is 335361.

163533 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 163533 - 2⁴ = 163517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1008 + ... + 1158.

It is an arithmetic number, because the mean of its divisors is an integer number (19304).

2¹⁶³⁵³³ is an apocalyptic number.

It is an amenable number.

163533 is a deficient number, since it is larger than the sum of its proper divisors (68115).

163533 is a wasteful number, since it uses less digits than its factorization.

163533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 173 counting only the distinct ones).

The product of its digits is 810, while the sum is 21.

The square root of 163533 is about 404.3921364221. The cubic root of 163533 is about 54.6850316709.

Adding to 163533 its reverse (335361), we get a palindrome (498894).

It can be divided in two parts, 163 and 533, that added together give a palindrome (696).

The spelling of 163533 in words is "one hundred sixty-three thousand, five hundred thirty-three".