667411163 has 2 divisors, whose sum is σ = 667411164. Its totient is φ = 667411162.

The previous prime is 667411117. The next prime is 667411189. The reversal of 667411163 is 361114766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667411163 - 2²⁴ = 650633947 is a prime.

It is not a weakly prime, because it can be changed into another prime (667411103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333705581 + 333705582.

It is an arithmetic number, because the mean of its divisors is an integer number (333705582).

Almost surely, 2^667411163 is an apocalyptic number.

667411163 is a deficient number, since it is larger than the sum of its proper divisors (1).

667411163 is an equidigital number, since it uses as much as digits as its factorization.

667411163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 667411163 is about 25834.3020614067. The cubic root of 667411163 is about 873.9055324869.

The spelling of 667411163 in words is "six hundred sixty-seven million, four hundred eleven thousand, one hundred sixty-three".