5681568000 has 144 divisors (see below), whose sum is σ = 18871646976. Its totient is φ = 1515059200.

The previous prime is 5681567921. The next prime is 5681568023. The reversal of 5681568000 is 8651865.

It is a self number, because there is not a number n which added to its sum of digits gives 5681568000.

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 15 ways as a sum of consecutive naturals, for example, 66409 + ... + 125591.

It is an arithmetic number, because the mean of its divisors is an integer number (131053104).

Almost surely, 2^5681568000 is an apocalyptic number.

5681568000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681568000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9435823488).

5681568000 is an abundant number, since it is smaller than the sum of its proper divisors (13190078976).

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

5681568000 is an equidigital number, since it uses as much as digits as its factorization.

5681568000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59217 (or 59193 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 5681568000 is about 75376.1766077320. The cubic root of 5681568000 is about 1784.3884479261.

The spelling of 5681568000 in words is "five billion, six hundred eighty-one million, five hundred sixty-eight thousand".