6581708116 has 12 divisors (see below), whose sum is σ = 11735310132. Its totient is φ = 3228762368.

The previous prime is 6581708113. The next prime is 6581708141. The reversal of 6581708116 is 6118071856.

It can be written as a sum of positive squares in 2 ways, for example, as 2540563216 + 4041144900 = 50404^2 + 63570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6581708113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15522685 + ... + 15523108.

It is an arithmetic number, because the mean of its divisors is an integer number (977942511).

Almost surely, 2^6581708116 is an apocalyptic number.

It is an amenable number.

6581708116 is a deficient number, since it is larger than the sum of its proper divisors (5153602016).

6581708116 is a wasteful number, since it uses less digits than its factorization.

6581708116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31045850 (or 31045848 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 6581708116 is about 81127.7271714178. The cubic root of 6581708116 is about 1874.0429477607.

The spelling of 6581708116 in words is "six billion, five hundred eighty-one million, seven hundred eight thousand, one hundred sixteen".