16105887 has 12 divisors (see below), whose sum is σ = 26587600. Its totient is φ = 9203328.

The previous prime is 16105871. The next prime is 16105889. The reversal of 16105887 is 78850161.

It is not a de Polignac number, because 16105887 - 2⁴ = 16105871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105889) 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, 127762 + ... + 127887.

Almost surely, 2^16105887 is an apocalyptic number.

16105887 is a deficient number, since it is larger than the sum of its proper divisors (10481713).

16105887 is a wasteful number, since it uses less digits than its factorization.

16105887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255662 (or 255659 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 16105887 is about 4013.2140486149. The cubic root of 16105887 is about 252.5388601433.

The spelling of 16105887 in words is "sixteen million, one hundred five thousand, eight hundred eighty-seven".