163263 has 4 divisors (see below), whose sum is σ = 217688. Its totient is φ = 108840.

The previous prime is 163259. The next prime is 163307. The reversal of 163263 is 362361.

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

It is not a de Polignac number, because 163263 - 2² = 163259 is a prime.

It is a D-number.

It is a Duffinian number.

163263 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163263.

It is not an unprimeable number, because it can be changed into a prime (163223) 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, 27208 + ... + 27213.

It is an arithmetic number, because the mean of its divisors is an integer number (54422).

2¹⁶³²⁶³ is an apocalyptic number.

163263 is a deficient number, since it is larger than the sum of its proper divisors (54425).

163263 is an equidigital number, since it uses as much as digits as its factorization.

163263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54424.

The product of its digits is 648, while the sum is 21.

The square root of 163263 is about 404.0581641299. The cubic root of 163263 is about 54.6549193146.

The spelling of 163263 in words is "one hundred sixty-three thousand, two hundred sixty-three".