6668275171 has 2 divisors, whose sum is σ = 6668275172. Its totient is φ = 6668275170.

The previous prime is 6668275153. The next prime is 6668275303. The reversal of 6668275171 is 1715728666.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6668275171 - 2¹⁵ = 6668242403 is a prime.

It is not a weakly prime, because it can be changed into another prime (6668275151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334137585 + 3334137586.

It is an arithmetic number, because the mean of its divisors is an integer number (3334137586).

Almost surely, 2^6668275171 is an apocalyptic number.

6668275171 is a deficient number, since it is larger than the sum of its proper divisors (1).

6668275171 is an equidigital number, since it uses as much as digits as its factorization.

6668275171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The square root of 6668275171 is about 81659.5075358650. The cubic root of 6668275171 is about 1882.2234116431.

The spelling of 6668275171 in words is "six billion, six hundred sixty-eight million, two hundred seventy-five thousand, one hundred seventy-one".