6531104320 has 56 divisors (see below), whose sum is σ = 16748525304. Its totient is φ = 2411483136.

The previous prime is 6531104309. The next prime is 6531104339. The reversal of 6531104320 is 234011356.

It can be written as a sum of positive squares in 4 ways, for example, as 658640896 + 5872463424 = 25664^2 + 76632^2 .

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 7 ways as a sum of consecutive naturals, for example, 780829 + ... + 789148.

It is an arithmetic number, because the mean of its divisors is an integer number (299080809).

Almost surely, 2^6531104320 is an apocalyptic number.

It is an amenable number.

6531104320 is an abundant number, since it is smaller than the sum of its proper divisors (10217420984).

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

6531104320 is a wasteful number, since it uses less digits than its factorization.

6531104320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570007 (or 1569997 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6531104320 is about 80815.2480661911. The cubic root of 6531104320 is about 1869.2276944669.

Adding to 6531104320 its reverse (234011356), we get a palindrome (6765115676).

The spelling of 6531104320 in words is "six billion, five hundred thirty-one million, one hundred four thousand, three hundred twenty".