6716886671385 has 48 divisors (see below), whose sum is σ = 13044292971840. Its totient is φ = 3168654145920.

The previous prime is 6716886671353. The next prime is 6716886671389. The reversal of 6716886671385 is 5831766886176.

6716886671385 is a `hidden beast` number, since 6 + 7 + 168 + 86 + 6 + 7 + 1 + 385 = 666.

It is not a de Polignac number, because 6716886671385 - 2⁵ = 6716886671353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6716886671389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183352875 + ... + 183389504.

It is an arithmetic number, because the mean of its divisors is an integer number (271756103580).

Almost surely, 2^{6716886671385} is an apocalyptic number.

It is an amenable number.

6716886671385 is a deficient number, since it is larger than the sum of its proper divisors (6327406300455).

6716886671385 is a wasteful number, since it uses less digits than its factorization.

6716886671385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366742438 (or 366742435 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 72.

The spelling of 6716886671385 in words is "six trillion, seven hundred sixteen billion, eight hundred eighty-six million, six hundred seventy-one thousand, three hundred eighty-five".