16428267 has 12 divisors (see below), whose sum is σ = 23801544. Its totient is φ = 10919040.

The previous prime is 16428229. The next prime is 16428277. The reversal of 16428267 is 76282461.

16428267 is a `hidden beast` number, since 1 + 642 + 8 + 2 + 6 + 7 = 666.

It is not a de Polignac number, because 16428267 - 2⁸ = 16428011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16428227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592 + ... + 5762.

It is an arithmetic number, because the mean of its divisors is an integer number (1983462).

Almost surely, 2^16428267 is an apocalyptic number.

16428267 is a deficient number, since it is larger than the sum of its proper divisors (7373277).

16428267 is a wasteful number, since it uses less digits than its factorization.

16428267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5527 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 16428267 is about 4053.1798627744. The cubic root of 16428267 is about 254.2127044200.

The spelling of 16428267 in words is "sixteen million, four hundred twenty-eight thousand, two hundred sixty-seven".