6631167 has 4 divisors (see below), whose sum is σ = 8841560. Its totient is φ = 4420776.

The previous prime is 6631151. The next prime is 6631189. The reversal of 6631167 is 7611366.

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

It is not a de Polignac number, because 6631167 - 2⁴ = 6631151 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105192 + ... + 1105197.

It is an arithmetic number, because the mean of its divisors is an integer number (2210390).

Almost surely, 2^6631167 is an apocalyptic number.

6631167 is a deficient number, since it is larger than the sum of its proper divisors (2210393).

6631167 is a wasteful number, since it uses less digits than its factorization.

6631167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210392.

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

The square root of 6631167 is about 2575.1052405678. The cubic root of 6631167 is about 187.8725464031.

It can be divided in two parts, 663 and 1167, that added together give a triangular number (1830 = T₆₀).

The spelling of 6631167 in words is "six million, six hundred thirty-one thousand, one hundred sixty-seven".