16004433224 has 64 divisors (see below), whose sum is σ = 32628624000. Its totient is φ = 7315660800.

The previous prime is 16004433187. The next prime is 16004433239. The reversal of 16004433224 is 42233440061.

It is a super-2 number, since 2×16004433224² (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 15 ways as a sum of consecutive naturals, for example, 5950472 + ... + 5953160.

It is an arithmetic number, because the mean of its divisors is an integer number (509822250).

Almost surely, 2^16004433224 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 16004433224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16314312000).

16004433224 is an abundant number, since it is smaller than the sum of its proper divisors (16624190776).

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

16004433224 is a wasteful number, since it uses less digits than its factorization.

16004433224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 16004433224 its reverse (42233440061), we get a palindrome (58237873285).

The spelling of 16004433224 in words is "sixteen billion, four million, four hundred thirty-three thousand, two hundred twenty-four".