16343018 has 16 divisors (see below), whose sum is σ = 27086400. Its totient is φ = 7356096.

The previous prime is 16343017. The next prime is 16343023. The reversal of 16343018 is 81034361.

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 (16343017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9668 + ... + 11231.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^16343018 is an apocalyptic number.

16343018 is a deficient number, since it is larger than the sum of its proper divisors (10743382).

16343018 is a wasteful number, since it uses less digits than its factorization.

16343018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20941.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16343018 is about 4042.6498735359. The cubic root of 16343018 is about 253.7722243471.

Adding to 16343018 its reverse (81034361), we get a palindrome (97377379).

The spelling of 16343018 in words is "sixteen million, three hundred forty-three thousand, eighteen".