163287 has 6 divisors (see below), whose sum is σ = 235872. Its totient is φ = 108852.

The previous prime is 163259. The next prime is 163307. The reversal of 163287 is 782361.

It is not a de Polignac number, because 163287 - 2⁶ = 163223 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 163287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9063 + ... + 9080.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2¹⁶³²⁸⁷ is an apocalyptic number.

163287 is a deficient number, since it is larger than the sum of its proper divisors (72585).

163287 is a wasteful number, since it uses less digits than its factorization.

163287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18149 (or 18146 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 163287 is about 404.0878617331. The cubic root of 163287 is about 54.6575973123.

The spelling of 163287 in words is "one hundred sixty-three thousand, two hundred eighty-seven".