16387268 has 12 divisors (see below), whose sum is σ = 28707840. Its totient is φ = 8185032.

The previous prime is 16387243. The next prime is 16387289. The reversal of 16387268 is 86278361.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (2392320).

Almost surely, 2^16387268 is an apocalyptic number.

It is an amenable number.

16387268 is a deficient number, since it is larger than the sum of its proper divisors (12320572).

16387268 is a wasteful number, since it uses less digits than its factorization.

16387268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306 (or 4304 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 16387268 is about 4048.1190693951. The cubic root of 16387268 is about 254.0010539977.

The spelling of 16387268 in words is "sixteen million, three hundred eighty-seven thousand, two hundred sixty-eight".