671167 has 4 divisors (see below), whose sum is σ = 767056. Its totient is φ = 575280.

The previous prime is 671161. The next prime is 671189. The reversal of 671167 is 761176.

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

It is a cyclic number.

It is not a de Polignac number, because 671167 - 2³ = 671159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671161) 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, 47934 + ... + 47947.

It is an arithmetic number, because the mean of its divisors is an integer number (191764).

2⁶⁷¹¹⁶⁷ is an apocalyptic number.

671167 is a deficient number, since it is larger than the sum of its proper divisors (95889).

671167 is an equidigital number, since it uses as much as digits as its factorization.

671167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95888.

The product of its digits is 1764, while the sum is 28.

The square root of 671167 is about 819.2478257524. The cubic root of 671167 is about 87.5541759736.

Subtracting 671167 from its reverse (761176), we obtain a palindrome (90009).

It can be divided in two parts, 671 and 167, that added together give a palindrome (838).

The spelling of 671167 in words is "six hundred seventy-one thousand, one hundred sixty-seven".