4443163556 has 12 divisors (see below), whose sum is σ = 8373654492. Its totient is φ = 2050690848.

The previous prime is 4443163523. The next prime is 4443163591. The reversal of 4443163556 is 6553613444.

It can be written as a sum of positive squares in 2 ways, for example, as 2604469156 + 1838694400 = 51034^2 + 42880^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42722675 + ... + 42722778.

It is an arithmetic number, because the mean of its divisors is an integer number (697804541).

Almost surely, 2^4443163556 is an apocalyptic number.

It is an amenable number.

4443163556 is a deficient number, since it is larger than the sum of its proper divisors (3930490936).

4443163556 is a wasteful number, since it uses less digits than its factorization.

4443163556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85445470 (or 85445468 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 4443163556 is about 66657.0593110737. The cubic root of 4443163556 is about 1643.9834205837.

The spelling of 4443163556 in words is "four billion, four hundred forty-three million, one hundred sixty-three thousand, five hundred fifty-six".