6532557912 has 48 divisors (see below), whose sum is σ = 17737902000. Its totient is φ = 2171912256.

The previous prime is 6532557907. The next prime is 6532557931. The reversal of 6532557912 is 2197552356.

6532557912 is a `hidden beast` number, since 6 + 5 + 3 + 2 + 557 + 91 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 88612 + ... + 144627.

It is an arithmetic number, because the mean of its divisors is an integer number (369539625).

Almost surely, 2^6532557912 is an apocalyptic number.

It is an amenable number.

6532557912 is an abundant number, since it is smaller than the sum of its proper divisors (11205344088).

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

6532557912 is a wasteful number, since it uses less digits than its factorization.

6532557912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233640 (or 233633 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 6532557912 is about 80824.2408686899. The cubic root of 6532557912 is about 1869.3663587590.

The spelling of 6532557912 in words is "six billion, five hundred thirty-two million, five hundred fifty-seven thousand, nine hundred twelve".