4421718016 has 39 divisors (see below), whose sum is σ = 8850875151. Its totient is φ = 2208731136.

The previous prime is 4421718011. The next prime is 4421718017. The reversal of 4421718016 is 6108171244.

It is a happy number.

The square root of 4421718016 is 66496.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421718011) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4255225 + ... + 4256263.

Almost surely, 2^4421718016 is an apocalyptic number.

4421718016 is the 66496-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4421718016

4421718016 is an abundant number, since it is smaller than the sum of its proper divisors (4429157135).

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

4421718016 is an frugal number, since it uses more digits than its factorization.

4421718016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The cubic root of 4421718016 is about 1641.3341830021.

The spelling of 4421718016 in words is "four billion, four hundred twenty-one million, seven hundred eighteen thousand, sixteen".