6561030288 has 40 divisors (see below), whose sum is σ = 16952866336. Its totient is φ = 2186553600.

The previous prime is 6561030263. The next prime is 6561030299. The reversal of 6561030288 is 8820301656.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281148 + ... + 303588.

Almost surely, 2^6561030288 is an apocalyptic number.

It is an amenable number.

6561030288 is an abundant number, since it is smaller than the sum of its proper divisors (10391836048).

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

6561030288 is a wasteful number, since it uses less digits than its factorization.

6561030288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28543 (or 28537 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 6561030288 is about 81000.1869627472. The cubic root of 6561030288 is about 1872.0783214729.

The spelling of 6561030288 in words is "six billion, five hundred sixty-one million, thirty thousand, two hundred eighty-eight".