16684185009328 has 80 divisors (see below), whose sum is σ = 32787331476480. Its totient is φ = 8223731428608.

The previous prime is 16684185009307. The next prime is 16684185009377. The reversal of 16684185009328 is 82390058148661.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1128904243 + ... + 1128919021.

It is an arithmetic number, because the mean of its divisors is an integer number (409841643456).

Almost surely, 2^{16684185009328} is an apocalyptic number.

It is an amenable number.

16684185009328 is a deficient number, since it is larger than the sum of its proper divisors (16103146467152).

16684185009328 is a wasteful number, since it uses less digits than its factorization.

16684185009328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18074 (or 18068 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 16684185009328 in words is "sixteen trillion, six hundred eighty-four billion, one hundred eighty-five million, nine thousand, three hundred twenty-eight".