16326445 has 8 divisors (see below), whose sum is σ = 19614744. Its totient is φ = 13045824.

The previous prime is 16326419. The next prime is 16326461. The reversal of 16326445 is 54462361.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 14235529 = 1446^2 + 3773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16326445 - 2¹¹ = 16324397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5107 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (2451843).

Almost surely, 2^16326445 is an apocalyptic number.

It is an amenable number.

16326445 is a deficient number, since it is larger than the sum of its proper divisors (3288299).

16326445 is a wasteful number, since it uses less digits than its factorization.

16326445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839.

The product of its digits is 17280, while the sum is 31.

The square root of 16326445 is about 4040.5995842201. The cubic root of 16326445 is about 253.6864142165.

The spelling of 16326445 in words is "sixteen million, three hundred twenty-six thousand, four hundred forty-five".