16871316 has 144 divisors (see below), whose sum is σ = 53383680. Its totient is φ = 4017600.

The previous prime is 16871311. The next prime is 16871333. The reversal of 16871316 is 61317861.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16871311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 544221 + ... + 544251.

It is an arithmetic number, because the mean of its divisors is an integer number (370720).

Almost surely, 2^16871316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16871316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26691840).

16871316 is an abundant number, since it is smaller than the sum of its proper divisors (36512364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16871316 is a wasteful number, since it uses less digits than its factorization.

16871316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 73 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 16871316 is about 4107.4707546129. The cubic root of 16871316 is about 256.4777253056.

It can be divided in two parts, 1687 and 1316, that added together give a palindrome (3003).

The spelling of 16871316 in words is "sixteen million, eight hundred seventy-one thousand, three hundred sixteen".