16964444328 has 256 divisors, whose sum is σ = 49119436800. Its totient is φ = 4842055680.

The previous prime is 16964444317. The next prime is 16964444353. The reversal of 16964444328 is 82344446961.

It is a super-2 number, since 2×16964444328² (a number of 21 digits) contains 22 as substring.

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, 60371548 + ... + 60371828.

It is an arithmetic number, because the mean of its divisors is an integer number (191872800).

Almost surely, 2^16964444328 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 16964444328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24559718400).

16964444328 is an abundant number, since it is smaller than the sum of its proper divisors (32154992472).

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

16964444328 is a wasteful number, since it uses less digits than its factorization.

16964444328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 16964444328 in words is "sixteen billion, nine hundred sixty-four million, four hundred forty-four thousand, three hundred twenty-eight".