6687165313 has 8 divisors (see below), whose sum is σ = 6895639296. Its totient is φ = 6480852000.

The previous prime is 6687165281. The next prime is 6687165389. The reversal of 6687165313 is 3135617866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6687165313 - 2⁵ = 6687165281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6687165113) 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, 533881 + ... + 546262.

It is an arithmetic number, because the mean of its divisors is an integer number (861954912).

Almost surely, 2^6687165313 is an apocalyptic number.

It is an amenable number.

6687165313 is a deficient number, since it is larger than the sum of its proper divisors (208473983).

6687165313 is a wasteful number, since it uses less digits than its factorization.

6687165313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080335.

The product of its digits is 544320, while the sum is 46.

The square root of 6687165313 is about 81775.0898073490. The cubic root of 6687165313 is about 1883.9990805159. Note that the first 3 decimals are identical.

The spelling of 6687165313 in words is "six billion, six hundred eighty-seven million, one hundred sixty-five thousand, three hundred thirteen".