5441645616 has 160 divisors (see below), whose sum is σ = 15633285120. Its totient is φ = 1617235200.

The previous prime is 5441645609. The next prime is 5441645639. The reversal of 5441645616 is 6165461445.

It is a happy number.

It is a super-2 number, since 2×5441645616² = 59223014020264038912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14207761 + ... + 14208143.

It is an arithmetic number, because the mean of its divisors is an integer number (97708032).

Almost surely, 2^5441645616 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 5441645616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7816642560).

5441645616 is an abundant number, since it is smaller than the sum of its proper divisors (10191639504).

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

5441645616 is a wasteful number, since it uses less digits than its factorization.

5441645616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 849 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 5441645616 is about 73767.5105720669. The cubic root of 5441645616 is about 1758.9091915053.

The spelling of 5441645616 in words is "five billion, four hundred forty-one million, six hundred forty-five thousand, six hundred sixteen".