16469 has 4 divisors (see below), whose sum is σ = 16896. Its totient is φ = 16044.

The previous prime is 16453. The next prime is 16477. The reversal of 16469 is 96461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16469 - 2⁴ = 16453 is a prime.

It is a super-2 number, since 2×16469² = 542455922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149 + ... + 234.

It is an arithmetic number, because the mean of its divisors is an integer number (4224).

2¹⁶⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

16469 is a deficient number, since it is larger than the sum of its proper divisors (427).

16469 is an equidigital number, since it uses as much as digits as its factorization.

16469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 1296, while the sum is 26.

The square root of 16469 is about 128.3316017199. The cubic root of 16469 is about 25.4422633233.

The spelling of 16469 in words is "sixteen thousand, four hundred sixty-nine".