163501255052033 has 2 divisors, whose sum is σ = 163501255052034. Its totient is φ = 163501255052032.

The previous prime is 163501255052027. The next prime is 163501255052117. The reversal of 163501255052033 is 330250552105361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161084122539664 + 2417132512369 = 12691892^2 + 1554713^2 .

It is an emirp because it is prime and its reverse (330250552105361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163501255052033 - 2⁸ = 163501255051777 is a prime.

It is not a weakly prime, because it can be changed into another prime (163501255052533) by changing a digit.

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 as a sum of consecutive naturals, namely, 81750627526016 + 81750627526017.

It is an arithmetic number, because the mean of its divisors is an integer number (81750627526017).

Almost surely, 2^{163501255052033} is an apocalyptic number.

It is an amenable number.

163501255052033 is a deficient number, since it is larger than the sum of its proper divisors (1).

163501255052033 is an equidigital number, since it uses as much as digits as its factorization.

163501255052033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 163501255052033 in words is "one hundred sixty-three trillion, five hundred one billion, two hundred fifty-five million, fifty-two thousand, thirty-three".