16716338 has 12 divisors (see below), whose sum is σ = 26637162. Its totient is φ = 7866240.

The previous prime is 16716319. The next prime is 16716373. The reversal of 16716338 is 83361761.

It can be written as a sum of positive squares in 3 ways, for example, as 16703569 + 12769 = 4087^2 + 113^2 .

It is a super-2 number, since 2×16716338² = 558871912260488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16716298 and 16716307.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13883 + ... + 15038.

Almost surely, 2^16716338 is an apocalyptic number.

16716338 is a deficient number, since it is larger than the sum of its proper divisors (9920824).

16716338 is a wasteful number, since it uses less digits than its factorization.

16716338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28957 (or 28940 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 16716338 is about 4088.5618498440. The cubic root of 16716338 is about 255.6899832001.

The spelling of 16716338 in words is "sixteen million, seven hundred sixteen thousand, three hundred thirty-eight".