16343216 has 40 divisors (see below), whose sum is σ = 32807424. Its totient is φ = 7882560.

The previous prime is 16343213. The next prime is 16343279. The reversal of 16343216 is 61234361.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16343213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77351 + ... + 77561.

Almost surely, 2^16343216 is an apocalyptic number.

16343216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16343216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

16343216 is a wasteful number, since it uses less digits than its factorization.

16343216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 16343216 is about 4042.6743623498. The cubic root of 16343216 is about 253.7732491822.

Adding to 16343216 its reverse (61234361), we get a palindrome (77577577).

The spelling of 16343216 in words is "sixteen million, three hundred forty-three thousand, two hundred sixteen".