163003321024133 has 2 divisors, whose sum is σ = 163003321024134. Its totient is φ = 163003321024132.

The previous prime is 163003321024123. The next prime is 163003321024147. The reversal of 163003321024133 is 331420123300361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162994297354084 + 9023670049 = 12766922^2 + 94993^2 .

It is a cyclic number.

It is not a de Polignac number, because 163003321024133 - 2⁶ = 163003321024069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163003321024133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163003321024123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81501660512066 + 81501660512067.

It is an arithmetic number, because the mean of its divisors is an integer number (81501660512067).

Almost surely, 2^{163003321024133} is an apocalyptic number.

It is an amenable number.

163003321024133 is a deficient number, since it is larger than the sum of its proper divisors (1).

163003321024133 is an equidigital number, since it uses as much as digits as its factorization.

163003321024133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 163003321024133 its reverse (331420123300361), we get a palindrome (494423444324494).

The spelling of 163003321024133 in words is "one hundred sixty-three trillion, three billion, three hundred twenty-one million, twenty-four thousand, one hundred thirty-three".