16522 has 8 divisors (see below), whose sum is σ = 27072. Its totient is φ = 7500.

The previous prime is 16519. The next prime is 16529. The reversal of 16522 is 22561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16496 and 16505.

It is not an unprimeable number, because it can be changed into a prime (16529) 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, 354 + ... + 397.

It is an arithmetic number, because the mean of its divisors is an integer number (3384).

2¹⁶⁵²² is an apocalyptic number.

16522 is a deficient number, since it is larger than the sum of its proper divisors (10550).

16522 is a wasteful number, since it uses less digits than its factorization.

16522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 120, while the sum is 16.

The square root of 16522 is about 128.5379321446. The cubic root of 16522 is about 25.4695265863.

The spelling of 16522 in words is "sixteen thousand, five hundred twenty-two".