6675661271 has 2 divisors, whose sum is σ = 6675661272. Its totient is φ = 6675661270.

The previous prime is 6675661253. The next prime is 6675661283. The reversal of 6675661271 is 1721665766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6675661271 - 2⁶ = 6675661207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6675661771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337830635 + 3337830636.

It is an arithmetic number, because the mean of its divisors is an integer number (3337830636).

Almost surely, 2^6675661271 is an apocalyptic number.

6675661271 is a deficient number, since it is larger than the sum of its proper divisors (1).

6675661271 is an equidigital number, since it uses as much as digits as its factorization.

6675661271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 6675661271 is about 81704.7200044159. The cubic root of 6675661271 is about 1882.9181020587.

The spelling of 6675661271 in words is "six billion, six hundred seventy-five million, six hundred sixty-one thousand, two hundred seventy-one".