16803993936804 has 192 divisors, whose sum is σ = 43235246745600. Its totient is φ = 5060482947072.

The previous prime is 16803993936797. The next prime is 16803993936827. The reversal of 16803993936804 is 40863939930861.

It is a happy number.

16803993936804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167682897 + ... + 167783079.

It is an arithmetic number, because the mean of its divisors is an integer number (225183576800).

Almost surely, 2^{16803993936804} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16803993936804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21617623372800).

16803993936804 is an abundant number, since it is smaller than the sum of its proper divisors (26431252808796).

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

16803993936804 is a wasteful number, since it uses less digits than its factorization.

16803993936804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100642 (or 100640 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 69.

The spelling of 16803993936804 in words is "sixteen trillion, eight hundred three billion, nine hundred ninety-three million, nine hundred thirty-six thousand, eight hundred four".