16704080 has 40 divisors (see below), whose sum is σ = 39506400. Its totient is φ = 6566528.

The previous prime is 16704067. The next prime is 16704089. The reversal of 16704080 is 8040761.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16704089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (987660).

Almost surely, 2^16704080 is an apocalyptic number.

16704080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16704080 is the 2360-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16704080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19753200).

16704080 is an abundant number, since it is smaller than the sum of its proper divisors (22802320).

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

16704080 is a wasteful number, since it uses less digits than its factorization.

16704080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 16704080 is about 4087.0625148143. The cubic root of 16704080 is about 255.6274692245.

The spelling of 16704080 in words is "sixteen million, seven hundred four thousand, eighty".