16680480 has 192 divisors, whose sum is σ = 58060800. Its totient is φ = 4008960.

The previous prime is 16680467. The next prime is 16680509. The reversal of 16680480 is 8408661.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 282691 + ... + 282749.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^16680480 is an apocalyptic number.

16680480 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 16680480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29030400).

16680480 is an abundant number, since it is smaller than the sum of its proper divisors (41380320).

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

16680480 is a wasteful number, since it uses less digits than its factorization.

16680480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 16680480 is about 4084.1743351625. The cubic root of 16680480 is about 255.5070265619.

The spelling of 16680480 in words is "sixteen million, six hundred eighty thousand, four hundred eighty".