16268445 has 20 divisors (see below), whose sum is σ = 29163420. Its totient is φ = 8676288.

The previous prime is 16268423. The next prime is 16268453. The reversal of 16268445 is 54486261.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 4137156 = 3483^2 + 2034^2 .

It is not a de Polignac number, because 16268445 - 2⁶ = 16268381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19680 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (1458171).

Almost surely, 2^16268445 is an apocalyptic number.

16268445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16268445 is a deficient number, since it is larger than the sum of its proper divisors (12894975).

16268445 is an equidigital number, since it uses as much as digits as its factorization.

16268445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40186 (or 40177 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 16268445 is about 4033.4160459839. The cubic root of 16268445 is about 253.3856492063.

The spelling of 16268445 in words is "sixteen million, two hundred sixty-eight thousand, four hundred forty-five".