16463 has 4 divisors (see below), whose sum is σ = 16728. Its totient is φ = 16200.

The previous prime is 16453. The next prime is 16477. The reversal of 16463 is 36461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16463 - 2⁴ = 16447 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16433) 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, 20 + ... + 182.

It is an arithmetic number, because the mean of its divisors is an integer number (4182).

2¹⁶⁴⁶³ is an apocalyptic number.

16463 is a deficient number, since it is larger than the sum of its proper divisors (265).

16463 is a wasteful number, since it uses less digits than its factorization.

16463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its digits is 432, while the sum is 20.

The square root of 16463 is about 128.3082226516. The cubic root of 16463 is about 25.4391732324.

The spelling of 16463 in words is "sixteen thousand, four hundred sixty-three".