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16473 = 317219

16473 has 12 divisors (see below), whose sum is σ = 24560. Its totient is φ = 9792.

The previous prime is 16453. The next prime is 16477. The reversal of 16473 is 37461.

It is not a de Polignac number, because 16473 - 28 = 16217 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 1 + 62 + 47 + 72 + 3 .

It is a Duffinian number.

Its product of digits (504) is a multiple of the sum of its prime factors (56).

16473 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (16477) 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 11 ways as a sum of consecutive naturals, for example, 858 + ... + 876.

216473 is an apocalyptic number.

It is an amenable number.

16473 is a deficient number, since it is larger than the sum of its proper divisors (8087).

16473 is a wasteful number, since it uses less digits than its factorization.

16473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 39 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 16473 is about 128.3471853996. The cubic root of 16473 is about 25.4443229670. Note that the first 3 decimals are identical.

The spelling of 16473 in words is "sixteen thousand, four hundred seventy-three".

Divisors: 1 3 17 19 51 57 289 323 867 969 5491 16473