16716745 has 16 divisors (see below), whose sum is σ = 21284352. Its totient is φ = 12576960.

The previous prime is 16716743. The next prime is 16716761. The reversal of 16716745 is 54761761.

It is not a de Polignac number, because 16716745 - 2¹ = 16716743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16716743) 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, 5824 + ... + 8206.

It is an arithmetic number, because the mean of its divisors is an integer number (1330272).

Almost surely, 2^16716745 is an apocalyptic number.

It is an amenable number.

16716745 is a deficient number, since it is larger than the sum of its proper divisors (4567607).

16716745 is a wasteful number, since it uses less digits than its factorization.

16716745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its digits is 35280, while the sum is 37.

The square root of 16716745 is about 4088.6116225438. The cubic root of 16716745 is about 255.6920583152.

The spelling of 16716745 in words is "sixteen million, seven hundred sixteen thousand, seven hundred forty-five".