16716607 has 4 divisors (see below), whose sum is σ = 17443440. Its totient is φ = 15989776.

The previous prime is 16716589. The next prime is 16716619. The reversal of 16716607 is 70661761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16716607 - 2²³ = 8327999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363382 + ... + 363427.

It is an arithmetic number, because the mean of its divisors is an integer number (4360860).

Almost surely, 2^16716607 is an apocalyptic number.

16716607 is a deficient number, since it is larger than the sum of its proper divisors (726833).

16716607 is an equidigital number, since it uses as much as digits as its factorization.

16716607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726832.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 16716607 is about 4088.5947463646. The cubic root of 16716607 is about 255.6913547173.

The spelling of 16716607 in words is "sixteen million, seven hundred sixteen thousand, six hundred seven".