660119017 has 2 divisors, whose sum is σ = 660119018. Its totient is φ = 660119016.

The previous prime is 660118981. The next prime is 660119029. The reversal of 660119017 is 710911066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 573554601 + 86564416 = 23949^2 + 9304^2 .

It is a cyclic number.

It is not a de Polignac number, because 660119017 - 2⁷ = 660118889 is a prime.

It is equal to p_34292065 and since 660119017 and 34292065 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 660119017.

It is not a weakly prime, because it can be changed into another prime (660119077) 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, 330059508 + 330059509.

It is an arithmetic number, because the mean of its divisors is an integer number (330059509).

Almost surely, 2^660119017 is an apocalyptic number.

It is an amenable number.

660119017 is a deficient number, since it is larger than the sum of its proper divisors (1).

660119017 is an equidigital number, since it uses as much as digits as its factorization.

660119017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 660119017 is about 25692.7814181338. The cubic root of 660119017 is about 870.7111009187.

The spelling of 660119017 in words is "six hundred sixty million, one hundred nineteen thousand, seventeen".