16726 has 4 divisors (see below), whose sum is σ = 25092. Its totient is φ = 8362.

The previous prime is 16703. The next prime is 16729. The reversal of 16726 is 62761.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16697 and 16706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (6273).

2¹⁶⁷²⁶ is an apocalyptic number.

16726 is a deficient number, since it is larger than the sum of its proper divisors (8366).

16726 is an equidigital number, since it uses as much as digits as its factorization.

16726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8365.

The product of its digits is 504, while the sum is 22.

The square root of 16726 is about 129.3290377294. The cubic root of 16726 is about 25.5739236428.

The spelling of 16726 in words is "sixteen thousand, seven hundred twenty-six".