16822454544 has 480 divisors, whose sum is σ = 58421149696. Its totient is φ = 4585351680.

The previous prime is 16822454501. The next prime is 16822454569. The reversal of 16822454544 is 44545422861.

16822454544 is a `hidden beast` number, since 1 + 6 + 82 + 24 + 5 + 4 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16822454544.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107149314 + ... + 107149470.

Almost surely, 2^16822454544 is an apocalyptic number.

16822454544 is a gapful number since it is divisible by the number (14) 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 16822454544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29210574848).

16822454544 is an abundant number, since it is smaller than the sum of its proper divisors (41598695152).

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

16822454544 is a wasteful number, since it uses less digits than its factorization.

16822454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 327 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 45.

The spelling of 16822454544 in words is "sixteen billion, eight hundred twenty-two million, four hundred fifty-four thousand, five hundred forty-four".