16969444326 has 128 divisors (see below), whose sum is σ = 39235553280. Its totient is φ = 5432832000.

The previous prime is 16969444243. The next prime is 16969444343. The reversal of 16969444326 is 62344496961.

16969444326 is a `hidden beast` number, since 1 + 6 + 96 + 94 + 443 + 26 = 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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64522471 + ... + 64522733.

It is an arithmetic number, because the mean of its divisors is an integer number (306527760).

Almost surely, 2^16969444326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16969444326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19617776640).

16969444326 is an abundant number, since it is smaller than the sum of its proper divisors (22266108954).

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

16969444326 is a wasteful number, since it uses less digits than its factorization.

16969444326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 16969444326 in words is "sixteen billion, nine hundred sixty-nine million, four hundred forty-four thousand, three hundred twenty-six".