16266487 has 4 divisors (see below), whose sum is σ = 16349256. Its totient is φ = 16183720.

The previous prime is 16266469. The next prime is 16266491. The reversal of 16266487 is 78466261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16266487 - 2¹¹ = 16264439 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16266407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41089 + ... + 41482.

It is an arithmetic number, because the mean of its divisors is an integer number (4087314).

Almost surely, 2^16266487 is an apocalyptic number.

16266487 is a deficient number, since it is larger than the sum of its proper divisors (82769).

16266487 is an equidigital number, since it uses as much as digits as its factorization.

16266487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82768.

The product of its digits is 96768, while the sum is 40.

The square root of 16266487 is about 4033.1733163850. The cubic root of 16266487 is about 253.3754833298.

The spelling of 16266487 in words is "sixteen million, two hundred sixty-six thousand, four hundred eighty-seven".