6564355330 has 32 divisors (see below), whose sum is σ = 12739883184. Its totient is φ = 2420879616.

The previous prime is 6564355283. The next prime is 6564355331. The reversal of 6564355330 is 335534656.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 233447841 + 6330907489 = 15279^2 + 79567^2 .

It is not an unprimeable number, because it can be changed into a prime (6564355331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81292 + ... + 140488.

Almost surely, 2^6564355330 is an apocalyptic number.

6564355330 is a deficient number, since it is larger than the sum of its proper divisors (6175527854).

6564355330 is a wasteful number, since it uses less digits than its factorization.

6564355330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60070.

The product of its (nonzero) digits is 486000, while the sum is 40.

The square root of 6564355330 is about 81020.7092662117. The cubic root of 6564355330 is about 1872.3945161116.

Adding to 6564355330 its reverse (335534656), we get a palindrome (6899889986).

The spelling of 6564355330 in words is "six billion, five hundred sixty-four million, three hundred fifty-five thousand, three hundred thirty".