213648167 has 2 divisors, whose sum is σ = 213648168. Its totient is φ = 213648166.

The previous prime is 213648121. The next prime is 213648199. The reversal of 213648167 is 761846312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213648167 - 2⁸ = 213647911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213648167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213641167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106824083 + 106824084.

It is an arithmetic number, because the mean of its divisors is an integer number (106824084).

Almost surely, 2^213648167 is an apocalyptic number.

213648167 is a deficient number, since it is larger than the sum of its proper divisors (1).

213648167 is an equidigital number, since it uses as much as digits as its factorization.

213648167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 213648167 is about 14616.7084872074. The cubic root of 213648167 is about 597.8144252904.

The spelling of 213648167 in words is "two hundred thirteen million, six hundred forty-eight thousand, one hundred sixty-seven".