16694473 has 4 divisors (see below), whose sum is σ = 16707600. Its totient is φ = 16681348.

The previous prime is 16694471. The next prime is 16694477. The reversal of 16694473 is 37449661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16694473 - 2¹ = 16694471 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16694471) 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, 4423 + ... + 7276.

It is an arithmetic number, because the mean of its divisors is an integer number (4176900).

Almost surely, 2^16694473 is an apocalyptic number.

It is an amenable number.

16694473 is a deficient number, since it is larger than the sum of its proper divisors (13127).

16694473 is a wasteful number, since it uses less digits than its factorization.

16694473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126.

The product of its digits is 108864, while the sum is 40.

The square root of 16694473 is about 4085.8870517918. The cubic root of 16694473 is about 255.5784535738.

The spelling of 16694473 in words is "sixteen million, six hundred ninety-four thousand, four hundred seventy-three".