16383871 has 16 divisors (see below), whose sum is σ = 20136960. Its totient is φ = 13016160.

The previous prime is 16383839. The next prime is 16383877. The reversal of 16383871 is 17838361.

It is a cyclic number.

It is not a de Polignac number, because 16383871 - 2⁵ = 16383839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16383871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383877) 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, 4941 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (1258560).

Almost surely, 2^16383871 is an apocalyptic number.

16383871 is a deficient number, since it is larger than the sum of its proper divisors (3753089).

16383871 is a wasteful number, since it uses less digits than its factorization.

16383871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its digits is 24192, while the sum is 37.

The square root of 16383871 is about 4047.6994700694. The cubic root of 16383871 is about 253.9835017287.

The spelling of 16383871 in words is "sixteen million, three hundred eighty-three thousand, eight hundred seventy-one".