6680164789961 has 8 divisors (see below), whose sum is σ = 7194215624064. Its totient is φ = 6166141385040.

The previous prime is 6680164789939. The next prime is 6680164789967. The reversal of 6680164789961 is 1699874610866.

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

It is a de Polignac number, because none of the positive numbers 2^k-6680164789961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6680164789967) 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, 6350081 + ... + 7326926.

It is an arithmetic number, because the mean of its divisors is an integer number (899276953008).

Almost surely, 2^{6680164789961} is an apocalyptic number.

It is an amenable number.

6680164789961 is a deficient number, since it is larger than the sum of its proper divisors (514050834103).

6680164789961 is a wasteful number, since it uses less digits than its factorization.

6680164789961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13714591.

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 6680164789961 in words is "six trillion, six hundred eighty billion, one hundred sixty-four million, seven hundred eighty-nine thousand, nine hundred sixty-one".