5668006561 has 8 divisors (see below), whose sum is σ = 6479446784. Its totient is φ = 4856997600.

The previous prime is 5668006549. The next prime is 5668006627. The reversal of 5668006561 is 1656008665.

5668006561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5668006561 - 2⁷ = 5668006433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5668096561) 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 7 ways as a sum of consecutive naturals, for example, 79140 + ... + 132661.

It is an arithmetic number, because the mean of its divisors is an integer number (809930848).

Almost surely, 2^5668006561 is an apocalyptic number.

It is an amenable number.

5668006561 is a deficient number, since it is larger than the sum of its proper divisors (811440223).

5668006561 is a wasteful number, since it uses less digits than its factorization.

5668006561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215631.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 5668006561 is about 75286.1644726307. The cubic root of 5668006561 is about 1782.9675869807.

The spelling of 5668006561 in words is "five billion, six hundred sixty-eight million, six thousand, five hundred sixty-one".