16886320 has 80 divisors (see below), whose sum is σ = 44282880. Its totient is φ = 5932800.

The previous prime is 16886299. The next prime is 16886333. The reversal of 16886320 is 2368861.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26971 + ... + 27589.

It is an arithmetic number, because the mean of its divisors is an integer number (553536).

Almost surely, 2^16886320 is an apocalyptic number.

16886320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16886320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22141440).

16886320 is an abundant number, since it is smaller than the sum of its proper divisors (27396560).

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

16886320 is a wasteful number, since it uses less digits than its factorization.

16886320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 16886320 is about 4109.2967768220. The cubic root of 16886320 is about 256.5537330416.

It can be divided in two parts, 1688 and 6320, that added together give a palindrome (8008).

The spelling of 16886320 in words is "sixteen million, eight hundred eighty-six thousand, three hundred twenty".