16871867 has 16 divisors (see below), whose sum is σ = 18437760. Its totient is φ = 15386112.

The previous prime is 16871851. The next prime is 16871879. The reversal of 16871867 is 76817861.

It is a cyclic number.

It is not a de Polignac number, because 16871867 - 2⁴ = 16871851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16871887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87323 + ... + 87515.

It is an arithmetic number, because the mean of its divisors is an integer number (1152360).

Almost surely, 2^16871867 is an apocalyptic number.

16871867 is a deficient number, since it is larger than the sum of its proper divisors (1565893).

16871867 is a wasteful number, since it uses less digits than its factorization.

16871867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 112896, while the sum is 44.

The square root of 16871867 is about 4107.5378269713. The cubic root of 16871867 is about 256.4805173757.

The spelling of 16871867 in words is "sixteen million, eight hundred seventy-one thousand, eight hundred sixty-seven".