16894789020000 has 720 divisors, whose sum is σ = 60800317145568. Its totient is φ = 4448332800000.

The previous prime is 16894789019993. The next prime is 16894789020013. The reversal of 16894789020000 is 2098749861.

16894789020000 is a `hidden beast` number, since 1 + 6 + 89 + 478 + 90 + 2 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4702138204 + ... + 4702141796.

Almost surely, 2^{16894789020000} is an apocalyptic number.

16894789020000 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 16894789020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30400158572784).

16894789020000 is an abundant number, since it is smaller than the sum of its proper divisors (43905528125568).

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

16894789020000 is a wasteful number, since it uses less digits than its factorization.

16894789020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 16894789020000 in words is "sixteen trillion, eight hundred ninety-four billion, seven hundred eighty-nine million, twenty thousand".