16847985983616 has 192 divisors, whose sum is σ = 48670904786400. Its totient is φ = 5594127114240.

The previous prime is 16847985983551. The next prime is 16847985983623. The reversal of 16847985983616 is 61638958974861.

It is a happy number.

16847985983616 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 7 + 9 + 8 + 598 + 3 + 6 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403320811 + ... + 403362581.

Almost surely, 2^{16847985983616} is an apocalyptic number.

16847985983616 is a gapful number since it is divisible by the number (16) 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 16847985983616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24335452393200).

16847985983616 is an abundant number, since it is smaller than the sum of its proper divisors (31822918802784).

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

16847985983616 is a wasteful number, since it uses less digits than its factorization.

16847985983616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43147 (or 43132 counting only the distinct ones).

The product of its digits is 3762339840, while the sum is 81.

The spelling of 16847985983616 in words is "sixteen trillion, eight hundred forty-seven billion, nine hundred eighty-five million, nine hundred eighty-three thousand, six hundred sixteen".