16864851744 has 288 divisors, whose sum is σ = 55073491200. Its totient is φ = 4852224000.

The previous prime is 16864851737. The next prime is 16864851749. The reversal of 16864851744 is 44715846861.

16864851744 is a `hidden beast` number, since 1 + 6 + 86 + 4 + 8 + 517 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (16864851749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5618244 + ... + 5621244.

It is an arithmetic number, because the mean of its divisors is an integer number (191227400).

Almost surely, 2^16864851744 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 16864851744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27536745600).

16864851744 is an abundant number, since it is smaller than the sum of its proper divisors (38208639456).

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

16864851744 is a wasteful number, since it uses less digits than its factorization.

16864851744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3117 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 16864851744 in words is "sixteen billion, eight hundred sixty-four million, eight hundred fifty-one thousand, seven hundred forty-four".