4020321167 has 2 divisors, whose sum is σ = 4020321168. Its totient is φ = 4020321166.

The previous prime is 4020321121. The next prime is 4020321191. The reversal of 4020321167 is 7611230204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4020321167 - 2⁸ = 4020320911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020321197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010160583 + 2010160584.

It is an arithmetic number, because the mean of its divisors is an integer number (2010160584).

Almost surely, 2^4020321167 is an apocalyptic number.

4020321167 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020321167 is an equidigital number, since it uses as much as digits as its factorization.

4020321167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4020321167 is about 63406.0026101630. The cubic root of 4020321167 is about 1590.0846660610.

The spelling of 4020321167 in words is "four billion, twenty million, three hundred twenty-one thousand, one hundred sixty-seven".