16707680 has 72 divisors (see below), whose sum is σ = 43436736. Its totient is φ = 6068480.

The previous prime is 16707673. The next prime is 16707709. The reversal of 16707680 is 8670761.

It is a self number, because there is not a number n which added to its sum of digits gives 16707680.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18929 + ... + 19791.

It is an arithmetic number, because the mean of its divisors is an integer number (603288).

Almost surely, 2^16707680 is an apocalyptic number.

16707680 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 16707680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21718368).

16707680 is an abundant number, since it is smaller than the sum of its proper divisors (26729056).

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

16707680 is a wasteful number, since it uses less digits than its factorization.

16707680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 16707680 is about 4087.5029051977. The cubic root of 16707680 is about 255.6458318598.

The spelling of 16707680 in words is "sixteen million, seven hundred seven thousand, six hundred eighty".