674145167 has 2 divisors, whose sum is σ = 674145168. Its totient is φ = 674145166.

The previous prime is 674145163. The next prime is 674145187. The reversal of 674145167 is 761541476.

674145167 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 not a de Polignac number, because 674145167 - 2² = 674145163 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674145163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337072583 + 337072584.

It is an arithmetic number, because the mean of its divisors is an integer number (337072584).

Almost surely, 2^674145167 is an apocalyptic number.

674145167 is a deficient number, since it is larger than the sum of its proper divisors (1).

674145167 is an equidigital number, since it uses as much as digits as its factorization.

674145167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 674145167 is about 25964.3056329261. The cubic root of 674145167 is about 876.8348617963.

The spelling of 674145167 in words is "six hundred seventy-four million, one hundred forty-five thousand, one hundred sixty-seven".