6696671 has 2 divisors, whose sum is σ = 6696672. Its totient is φ = 6696670.

The previous prime is 6696661. The next prime is 6696673. The reversal of 6696671 is 1766966.

6696671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6696671 - 2¹⁴ = 6680287 is a prime.

It is a super-4 number, since 4×6696671⁴ (a number of 28 digits) contains 4444 as substring.

Together with 6696673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6696673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348335 + 3348336.

It is an arithmetic number, because the mean of its divisors is an integer number (3348336).

Almost surely, 2^6696671 is an apocalyptic number.

6696671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696671 is an equidigital number, since it uses as much as digits as its factorization.

6696671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 6696671 is about 2587.7926887601. The cubic root of 6696671 is about 188.4891348305.

The spelling of 6696671 in words is "six million, six hundred ninety-six thousand, six hundred seventy-one".