6631671 has 8 divisors (see below), whose sum is σ = 8878464. Its totient is φ = 4403000.

The previous prime is 6631663. The next prime is 6631679. The reversal of 6631671 is 1761366.

It is an interprime number because it is at equal distance from previous prime (6631663) and next prime (6631679).

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

It is a cyclic number.

It is not a de Polignac number, because 6631671 - 2³ = 6631663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3651 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (1109808).

Almost surely, 2^6631671 is an apocalyptic number.

6631671 is a deficient number, since it is larger than the sum of its proper divisors (2246793).

6631671 is a wasteful number, since it uses less digits than its factorization.

6631671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9061.

The product of its digits is 4536, while the sum is 30.

The square root of 6631671 is about 2575.2030987866. The cubic root of 6631671 is about 187.8773060161.

The spelling of 6631671 in words is "six million, six hundred thirty-one thousand, six hundred seventy-one".