6612199056 has 120 divisors (see below), whose sum is σ = 19193648760. Its totient is φ = 2122444800.

The previous prime is 6612199051. The next prime is 6612199129. The reversal of 6612199056 is 6509912166.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2509056 + 6609690000 = 1584^2 + 81300^2 .

It is a super-2 number, since 2×6612199056² = 87442352712334582272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6612199051) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1756216 + ... + 1759976.

It is an arithmetic number, because the mean of its divisors is an integer number (159947073).

Almost surely, 2^6612199056 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 6612199056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9596824380).

6612199056 is an abundant number, since it is smaller than the sum of its proper divisors (12581449704).

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

6612199056 is a wasteful number, since it uses less digits than its factorization.

6612199056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225 (or 4216 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 6612199056 is about 81315.4293845885. The cubic root of 6612199056 is about 1876.9324366963.

The spelling of 6612199056 in words is "six billion, six hundred twelve million, one hundred ninety-nine thousand, fifty-six".