6641710171466 has 4 divisors (see below), whose sum is σ = 9962565257202. Its totient is φ = 3320855085732.

The previous prime is 6641710171463. The next prime is 6641710171471.

6641710171466 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6356847795841 + 284862375625 = 2521279^2 + 533725^2 .

It is a super-2 number, since 2×6641710171466² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6641710171463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660427542865 + ... + 1660427542868.

Almost surely, 2^{6641710171466} is an apocalyptic number.

6641710171466 is a deficient number, since it is larger than the sum of its proper divisors (3320855085736).

6641710171466 is a wasteful number, since it uses less digits than its factorization.

6641710171466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320855085735.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 6641710171466 in words is "six trillion, six hundred forty-one billion, seven hundred ten million, one hundred seventy-one thousand, four hundred sixty-six".