5668319808 has 42 divisors (see below), whose sum is σ = 16247216934. Its totient is φ = 1889439744.

The previous prime is 5668319779. The next prime is 5668319929. The reversal of 5668319808 is 8089138665.

It can be written as a sum of positive squares in only one way, i.e., 5668282944 + 36864 = 75288^2 + 192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4919841 + ... + 4920992.

Almost surely, 2^5668319808 is an apocalyptic number.

It is an amenable number.

5668319808 is an abundant number, since it is smaller than the sum of its proper divisors (10578897126).

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

5668319808 is a wasteful number, since it uses less digits than its factorization.

5668319808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840851 (or 9840838 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 5668319808 is about 75288.2448194936. The cubic root of 5668319808 is about 1783.0004320943. Note that the first 3 decimals are identical.

The spelling of 5668319808 in words is "five billion, six hundred sixty-eight million, three hundred nineteen thousand, eight hundred eight".