665110703353 has 2 divisors, whose sum is σ = 665110703354. Its totient is φ = 665110703352.

The previous prime is 665110703351. The next prime is 665110703407. The reversal of 665110703353 is 353307011566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 619112464569 + 45998238784 = 786837^2 + 214472^2 .

It is a cyclic number.

It is not a de Polignac number, because 665110703353 - 2¹ = 665110703351 is a prime.

Together with 665110703351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (665110703351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332555351676 + 332555351677.

It is an arithmetic number, because the mean of its divisors is an integer number (332555351677).

Almost surely, 2^665110703353 is an apocalyptic number.

It is an amenable number.

665110703353 is a deficient number, since it is larger than the sum of its proper divisors (1).

665110703353 is an equidigital number, since it uses as much as digits as its factorization.

665110703353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 665110703353 in words is "six hundred sixty-five billion, one hundred ten million, seven hundred three thousand, three hundred fifty-three".