16338445 has 16 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 12217600.

The previous prime is 16338437. The next prime is 16338521. The reversal of 16338445 is 54483361.

It is a happy number.

It is not a de Polignac number, because 16338445 - 2³ = 16338437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16338445.

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 15 ways as a sum of consecutive naturals, for example, 13620 + ... + 14770.

It is an arithmetic number, because the mean of its divisors is an integer number (1306368).

Almost surely, 2^16338445 is an apocalyptic number.

It is an amenable number.

16338445 is a deficient number, since it is larger than the sum of its proper divisors (4563443).

16338445 is a wasteful number, since it uses less digits than its factorization.

16338445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340.

The product of its digits is 34560, while the sum is 34.

The square root of 16338445 is about 4042.0842395972. The cubic root of 16338445 is about 253.7485524924.

The spelling of 16338445 in words is "sixteen million, three hundred thirty-eight thousand, four hundred forty-five".