353225168018 has 6 divisors (see below), whose sum is σ = 529839012789. Its totient is φ = 176612163756.

The previous prime is 353225167993. The next prime is 353225168027. The reversal of 353225168018 is 810861522353.

It can be written as a sum of positive squares in 2 ways, for example, as 352827684049 + 397483969 = 593993^2 + 19937^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=420253.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 353225168018.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 630380 + ... + 1050632.

Almost surely, 2^353225168018 is an apocalyptic number.

353225168018 is a deficient number, since it is larger than the sum of its proper divisors (176613844771).

353225168018 is an frugal number, since it uses more digits than its factorization.

353225168018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840508 (or 420255 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 353225168018 in words is "three hundred fifty-three billion, two hundred twenty-five million, one hundred sixty-eight thousand, eighteen".