641167 has 2 divisors, whose sum is σ = 641168. Its totient is φ = 641166.

The previous prime is 641143. The next prime is 641197. The reversal of 641167 is 761146.

It is a happy number.

641167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641167 is a prime.

It is a super-2 number, since 2×641167² = 822190243778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (641197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320583 + 320584.

It is an arithmetic number, because the mean of its divisors is an integer number (320584).

2⁶⁴¹¹⁶⁷ is an apocalyptic number.

641167 is a deficient number, since it is larger than the sum of its proper divisors (1).

641167 is an equidigital number, since it uses as much as digits as its factorization.

641167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 641167 is about 800.7290428104. The cubic root of 641167 is about 86.2297354899.

It can be divided in two parts, 641 and 167, that added together give a palindrome (808).

The spelling of 641167 in words is "six hundred forty-one thousand, one hundred sixty-seven".