16680944704 has 28 divisors (see below), whose sum is σ = 33106423500. Its totient is φ = 8339168768.

The previous prime is 16680944677. The next prime is 16680944717. The reversal of 16680944704 is 40744908661.

It can be written as a sum of positive squares in 2 ways, for example, as 8091362304 + 8589582400 = 89952^2 + 92680^2 .

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 3 ways as a sum of consecutive naturals, for example, 492342 + ... + 525130.

Almost surely, 2^16680944704 is an apocalyptic number.

It is an amenable number.

16680944704 is a deficient number, since it is larger than the sum of its proper divisors (16425478796).

16680944704 is an equidigital number, since it uses as much as digits as its factorization.

16680944704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40750 (or 40740 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 16680944704 in words is "sixteen billion, six hundred eighty million, nine hundred forty-four thousand, seven hundred four".