16579 has 4 divisors (see below), whose sum is σ = 16920. Its totient is φ = 16240.

The previous prime is 16573. The next prime is 16603. The reversal of 16579 is 97561.

It is a happy number.

16579 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16579 - 2⁵ = 16547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16573) 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, 82 + ... + 199.

It is an arithmetic number, because the mean of its divisors is an integer number (4230).

2¹⁶⁵⁷⁹ is an apocalyptic number.

16579 is a deficient number, since it is larger than the sum of its proper divisors (341).

16579 is an equidigital number, since it uses as much as digits as its factorization.

16579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its digits is 1890, while the sum is 28.

The square root of 16579 is about 128.7594656715. The cubic root of 16579 is about 25.4987824614.

It can be divided in two parts, 16 and 579, that added together give a palindrome (595).

The spelling of 16579 in words is "sixteen thousand, five hundred seventy-nine".