5566321068 has 96 divisors (see below), whose sum is σ = 16220295168. Its totient is φ = 1443355200.

The previous prime is 5566321051. The next prime is 5566321069. The reversal of 5566321068 is 8601236655.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (5566321069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578271 + ... + 587817.

It is an arithmetic number, because the mean of its divisors is an integer number (168961408).

Almost surely, 2^5566321068 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 5566321068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8110147584).

5566321068 is an abundant number, since it is smaller than the sum of its proper divisors (10653974100).

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

5566321068 is a wasteful number, since it uses less digits than its factorization.

5566321068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203 (or 10201 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 5566321068 is about 74607.7815512564. The cubic root of 5566321068 is about 1772.2408835550.

The spelling of 5566321068 in words is "five billion, five hundred sixty-six million, three hundred twenty-one thousand, sixty-eight".