16343416 has 32 divisors (see below), whose sum is σ = 31395600. Its totient is φ = 7974400.

The previous prime is 16343407. The next prime is 16343449. The reversal of 16343416 is 61434361.

16343416 is nontrivially palindromic in base 15.

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

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 91215 + ... + 91393.

Almost surely, 2^16343416 is an apocalyptic number.

It is an amenable number.

16343416 is a deficient number, since it is larger than the sum of its proper divisors (15052184).

16343416 is a wasteful number, since it uses less digits than its factorization.

16343416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 395 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 16343416 is about 4042.6990983747. The cubic root of 16343416 is about 253.7742843608.

Adding to 16343416 its reverse (61434361), we get a palindrome (77777777).

It can be divided in two parts, 1634 and 3416, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 16343416 in words is "sixteen million, three hundred forty-three thousand, four hundred sixteen".