240166260270017 has 2 divisors, whose sum is σ = 240166260270018. Its totient is φ = 240166260270016.

The previous prime is 240166260269987. The next prime is 240166260270061. The reversal of 240166260270017 is 710072062661042.

It is a happy number.

It is an a-pointer prime, because the next prime (240166260270061) can be obtained adding 240166260270017 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214969083006976 + 25197177263041 = 14661824^2 + 5019679^2 .

It is a cyclic number.

It is not a de Polignac number, because 240166260270017 - 2¹⁰ = 240166260268993 is a prime.

It is a super-2 number, since 2×240166260270017² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240166260270017.

It is not a weakly prime, because it can be changed into another prime (240166260270317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120083130135008 + 120083130135009.

It is an arithmetic number, because the mean of its divisors is an integer number (120083130135009).

Almost surely, 2^{240166260270017} is an apocalyptic number.

It is an amenable number.

240166260270017 is a deficient number, since it is larger than the sum of its proper divisors (1).

240166260270017 is an equidigital number, since it uses as much as digits as its factorization.

240166260270017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 240166260270017 in words is "two hundred forty trillion, one hundred sixty-six billion, two hundred sixty million, two hundred seventy thousand, seventeen".