16716673 has 8 divisors (see below), whose sum is σ = 17363880. Its totient is φ = 16074240.

The previous prime is 16716671. The next prime is 16716683. The reversal of 16716673 is 37661761.

It can be written as a sum of positive squares in 4 ways, for example, as 451584 + 16265089 = 672^2 + 4033^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16716673 - 2¹ = 16716671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16716671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6993 + ... + 9073.

It is an arithmetic number, because the mean of its divisors is an integer number (2170485).

Almost surely, 2^16716673 is an apocalyptic number.

It is an amenable number.

16716673 is a deficient number, since it is larger than the sum of its proper divisors (647207).

16716673 is a wasteful number, since it uses less digits than its factorization.

16716673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its digits is 31752, while the sum is 37.

The square root of 16716673 is about 4088.6028175894. The cubic root of 16716673 is about 255.6916912211.

The spelling of 16716673 in words is "sixteen million, seven hundred sixteen thousand, six hundred seventy-three".