16445768 has 16 divisors (see below), whose sum is σ = 31155180. Its totient is φ = 8137728.

The previous prime is 16445747. The next prime is 16445777. The reversal of 16445768 is 86754461.

It can be written as a sum of positive squares in 2 ways, for example, as 14760964 + 1684804 = 3842^2 + 1298^2 .

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 3 ways as a sum of consecutive naturals, for example, 9821 + ... + 11372.

Almost surely, 2^16445768 is an apocalyptic number.

It is an amenable number.

16445768 is a deficient number, since it is larger than the sum of its proper divisors (14709412).

16445768 is a wasteful number, since it uses less digits than its factorization.

16445768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21296 (or 21292 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 16445768 is about 4055.3382103100. The cubic root of 16445768 is about 254.3029431458.

The spelling of 16445768 in words is "sixteen million, four hundred forty-five thousand, seven hundred sixty-eight".