16894320220404 has 36 divisors (see below), whose sum is σ = 46587367881600. Its totient is φ = 5119490975760.

The previous prime is 16894320220339. The next prime is 16894320220429. The reversal of 16894320220404 is 40402202349861.

16894320220404 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 432 + 0 + 2 + 204 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16894320220404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21331212004 + ... + 21331212795.

Almost surely, 2^{16894320220404} is an apocalyptic number.

It is an amenable number.

16894320220404 is an abundant number, since it is smaller than the sum of its proper divisors (29693047661196).

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

16894320220404 is a wasteful number, since it uses less digits than its factorization.

16894320220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42662424820 (or 42662424815 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 16894320220404 in words is "sixteen trillion, eight hundred ninety-four billion, three hundred twenty million, two hundred twenty thousand, four hundred four".