6571320260 has 24 divisors (see below), whose sum is σ = 13801758936. Its totient is φ = 2628149760.

The previous prime is 6571320253. The next prime is 6571320311. The reversal of 6571320260 is 620231756.

It can be written as a sum of positive squares in 4 ways, for example, as 768841984 + 5802478276 = 27728^2 + 76174^2 .

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 7 ways as a sum of consecutive naturals, for example, 149804 + ... + 188636.

It is an arithmetic number, because the mean of its divisors is an integer number (575073289).

Almost surely, 2^6571320260 is an apocalyptic number.

It is an amenable number.

6571320260 is an abundant number, since it is smaller than the sum of its proper divisors (7230438676).

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

6571320260 is a wasteful number, since it uses less digits than its factorization.

6571320260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47303 (or 47301 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 6571320260 is about 81063.6802766812. The cubic root of 6571320260 is about 1873.0564997337.

The spelling of 6571320260 in words is "six billion, five hundred seventy-one million, three hundred twenty thousand, two hundred sixty".