16475 has 6 divisors (see below), whose sum is σ = 20460. Its totient is φ = 13160.

The previous prime is 16453. The next prime is 16477. The reversal of 16475 is 57461.

16475 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16475 - 2⁶ = 16411 is a prime.

It is a d-powerful number, because it can be written as 1 + 6² + 4⁷ + 7² + 5 .

16475 is strictly pandigital in base 6.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 16475.

It is not an unprimeable number, because it can be changed into a prime (16477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305 + ... + 354.

It is an arithmetic number, because the mean of its divisors is an integer number (3410).

2¹⁶⁴⁷⁵ is an apocalyptic number.

16475 is a deficient number, since it is larger than the sum of its proper divisors (3985).

16475 is an equidigital number, since it uses as much as digits as its factorization.

16475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 16475 is about 128.3549765299. The cubic root of 16475 is about 25.4453526638.

The spelling of 16475 in words is "sixteen thousand, four hundred seventy-five".