16339680 has 144 divisors (see below), whose sum is σ = 63764064. Its totient is φ = 3732480.

The previous prime is 16339667. The next prime is 16339709. The reversal of 16339680 is 8693361.

It is a happy number.

16339680 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

16339680 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9270 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (442806).

Almost surely, 2^16339680 is an apocalyptic number.

16339680 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 16339680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31882032).

16339680 is an abundant number, since it is smaller than the sum of its proper divisors (47424384).

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

16339680 is a wasteful number, since it uses less digits than its factorization.

16339680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 16339680 is about 4042.2370044321. The cubic root of 16339680 is about 253.7549458297.

The spelling of 16339680 in words is "sixteen million, three hundred thirty-nine thousand, six hundred eighty".