340638167 has 2 divisors, whose sum is σ = 340638168. Its totient is φ = 340638166.

The previous prime is 340638157. The next prime is 340638173. The reversal of 340638167 is 761836043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340638167 - 2¹⁴ = 340621783 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340638167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340638107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170319083 + 170319084.

It is an arithmetic number, because the mean of its divisors is an integer number (170319084).

Almost surely, 2^340638167 is an apocalyptic number.

340638167 is a deficient number, since it is larger than the sum of its proper divisors (1).

340638167 is an equidigital number, since it uses as much as digits as its factorization.

340638167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 340638167 is about 18456.3855345514. The cubic root of 340638167 is about 698.3896089262.

The spelling of 340638167 in words is "three hundred forty million, six hundred thirty-eight thousand, one hundred sixty-seven".