16526 has 4 divisors (see below), whose sum is σ = 24792. Its totient is φ = 8262.

The previous prime is 16519. The next prime is 16529. The reversal of 16526 is 62561.

16526 is nontrivially palindromic in base 5.

16526 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62561 = 73 ⋅857.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16498 and 16507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16529) by changing a digit.

16526 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 4130 + ... + 4133.

It is an arithmetic number, because the mean of its divisors is an integer number (6198).

2¹⁶⁵²⁶ is an apocalyptic number.

16526 is a deficient number, since it is larger than the sum of its proper divisors (8266).

16526 is an equidigital number, since it uses as much as digits as its factorization.

16526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265.

The product of its digits is 360, while the sum is 20.

The square root of 16526 is about 128.5534908122. The cubic root of 16526 is about 25.4715818235.

It can be divided in two parts, 165 and 26, that added together give a palindrome (191).

The spelling of 16526 in words is "sixteen thousand, five hundred twenty-six".