6531560412 has 96 divisors (see below), whose sum is σ = 17429815872. Its totient is φ = 1885863936.

The previous prime is 6531560411. The next prime is 6531560419. The reversal of 6531560412 is 2140651356.

It is a super-2 number, since 2×6531560412² = 85322562831211219488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6531560411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932668 + ... + 939644.

It is an arithmetic number, because the mean of its divisors is an integer number (181560582).

Almost surely, 2^6531560412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6531560412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8714907936).

6531560412 is an abundant number, since it is smaller than the sum of its proper divisors (10898255460).

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

6531560412 is a wasteful number, since it uses less digits than its factorization.

6531560412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367 (or 7365 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6531560412 is about 80818.0698358975. The cubic root of 6531560412 is about 1869.2712052276.

The spelling of 6531560412 in words is "six billion, five hundred thirty-one million, five hundred sixty thousand, four hundred twelve".