6530805328 has 20 divisors (see below), whose sum is σ = 12753072640. Its totient is φ = 3239689824.

The previous prime is 6530805277. The next prime is 6530805349. The reversal of 6530805328 is 8235080356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604958 + ... + 1609021.

It is an arithmetic number, because the mean of its divisors is an integer number (637653632).

Almost surely, 2^6530805328 is an apocalyptic number.

It is an amenable number.

6530805328 is a deficient number, since it is larger than the sum of its proper divisors (6222267312).

6530805328 is a wasteful number, since it uses less digits than its factorization.

6530805328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214114 (or 3214108 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 6530805328 is about 80813.3981960912. The cubic root of 6530805328 is about 1869.1991698035.

The spelling of 6530805328 in words is "six billion, five hundred thirty million, eight hundred five thousand, three hundred twenty-eight".