16009473 has 16 divisors (see below), whose sum is σ = 21888000. Its totient is φ = 10405200.

The previous prime is 16009471. The next prime is 16009489. The reversal of 16009473 is 37490061.

It is a happy number.

It is not a de Polignac number, because 16009473 - 2¹ = 16009471 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16009473.

It is not an unprimeable number, because it can be changed into a prime (16009471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26428 + ... + 27026.

It is an arithmetic number, because the mean of its divisors is an integer number (1368000).

Almost surely, 2^16009473 is an apocalyptic number.

It is an amenable number.

16009473 is a deficient number, since it is larger than the sum of its proper divisors (5878527).

16009473 is a wasteful number, since it uses less digits than its factorization.

16009473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 16009473 is about 4001.1839497829. The cubic root of 16009473 is about 252.0339303015.

The spelling of 16009473 in words is "sixteen million, nine thousand, four hundred seventy-three".