6581581713322 has 16 divisors (see below), whose sum is σ = 12308412555072. Its totient is φ = 2564252615520.

The previous prime is 6581581713277. The next prime is 6581581713323. The reversal of 6581581713322 is 2233171851856.

It is a self number, because there is not a number n which added to its sum of digits gives 6581581713322.

It is not an unprimeable number, because it can be changed into a prime (6581581713323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21368771643 + ... + 21368771950.

It is an arithmetic number, because the mean of its divisors is an integer number (769275784692).

Almost surely, 2^{6581581713322} is an apocalyptic number.

6581581713322 is a deficient number, since it is larger than the sum of its proper divisors (5726830841750).

6581581713322 is a wasteful number, since it uses less digits than its factorization.

6581581713322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42737543613.

The product of its digits is 2419200, while the sum is 52.

The spelling of 6581581713322 in words is "six trillion, five hundred eighty-one billion, five hundred eighty-one million, seven hundred thirteen thousand, three hundred twenty-two".