16980447744 has 320 divisors, whose sum is σ = 56990102400. Its totient is φ = 4948770816.

The previous prime is 16980447727. The next prime is 16980447767. The reversal of 16980447744 is 44774408961.

16980447744 is a `hidden beast` number, since 169 + 8 + 0 + 4 + 477 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3412042 + ... + 3417014.

It is an arithmetic number, because the mean of its divisors is an integer number (178094070).

Almost surely, 2^16980447744 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 16980447744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28495051200).

16980447744 is an abundant number, since it is smaller than the sum of its proper divisors (40009654656).

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

16980447744 is a wasteful number, since it uses less digits than its factorization.

16980447744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032 (or 5010 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 16980447744 in words is "sixteen billion, nine hundred eighty million, four hundred forty-seven thousand, seven hundred forty-four".