16326662223168 has 504 divisors, whose sum is σ = 52896982514688. Its totient is φ = 4774694400000.

The previous prime is 16326662223161. The next prime is 16326662223229. The reversal of 16326662223168 is 86132226662361.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16326662223161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2332043668 + ... + 2332050668.

Almost surely, 2^{16326662223168} is an apocalyptic number.

16326662223168 is a gapful number since it is divisible by the number (18) 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 16326662223168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26448491257344).

16326662223168 is an abundant number, since it is smaller than the sum of its proper divisors (36570320291520).

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

16326662223168 is a wasteful number, since it uses less digits than its factorization.

16326662223168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475 (or 7431 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 16326662223168 in words is "sixteen trillion, three hundred twenty-six billion, six hundred sixty-two million, two hundred twenty-three thousand, one hundred sixty-eight".