16344646 has 16 divisors (see below), whose sum is σ = 24906240. Its totient is φ = 8043840.

The previous prime is 16344641. The next prime is 16344683. The reversal of 16344646 is 64644361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344641) 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, 58026 + ... + 58306.

It is an arithmetic number, because the mean of its divisors is an integer number (1556640).

Almost surely, 2^16344646 is an apocalyptic number.

16344646 is a deficient number, since it is larger than the sum of its proper divisors (8561594).

16344646 is a wasteful number, since it uses less digits than its factorization.

16344646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

The product of its digits is 41472, while the sum is 34.

The square root of 16344646 is about 4042.8512216009. The cubic root of 16344646 is about 253.7806505236.

The spelling of 16344646 in words is "sixteen million, three hundred forty-four thousand, six hundred forty-six".