16716813 has 8 divisors (see below), whose sum is σ = 22510176. Its totient is φ = 11034000.

The previous prime is 16716811. The next prime is 16716839. The reversal of 16716813 is 31861761.

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

It is not a de Polignac number, because 16716813 - 2¹ = 16716811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16716811) 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, 27283 + ... + 27888.

It is an arithmetic number, because the mean of its divisors is an integer number (2813772).

Almost surely, 2^16716813 is an apocalyptic number.

It is an amenable number.

16716813 is a deficient number, since it is larger than the sum of its proper divisors (5793363).

16716813 is a wasteful number, since it uses less digits than its factorization.

16716813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55275.

The product of its digits is 6048, while the sum is 33.

The square root of 16716813 is about 4088.6199383166. The cubic root of 16716813 is about 255.6924050142.

The spelling of 16716813 in words is "sixteen million, seven hundred sixteen thousand, eight hundred thirteen".