4561221167 has 2 divisors, whose sum is σ = 4561221168. Its totient is φ = 4561221166.

The previous prime is 4561221143. The next prime is 4561221169. The reversal of 4561221167 is 7611221654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4561221167 - 2¹⁰ = 4561220143 is a prime.

Together with 4561221169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4561221169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280610583 + 2280610584.

It is an arithmetic number, because the mean of its divisors is an integer number (2280610584).

Almost surely, 2^4561221167 is an apocalyptic number.

4561221167 is a deficient number, since it is larger than the sum of its proper divisors (1).

4561221167 is an equidigital number, since it uses as much as digits as its factorization.

4561221167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 4561221167 is about 67536.8134205338. The cubic root of 4561221167 is about 1658.4168831710.

The spelling of 4561221167 in words is "four billion, five hundred sixty-one million, two hundred twenty-one thousand, one hundred sixty-seven".