163875210953 has 2 divisors, whose sum is σ = 163875210954. Its totient is φ = 163875210952.

The previous prime is 163875210929. The next prime is 163875210959. The reversal of 163875210953 is 359012578361.

163875210953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162825969289 + 1049241664 = 403517^2 + 32392^2 .

It is an emirp because it is prime and its reverse (359012578361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163875210953 - 2¹² = 163875206857 is a prime.

It is not a weakly prime, because it can be changed into another prime (163875210959) 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, 81937605476 + 81937605477.

It is an arithmetic number, because the mean of its divisors is an integer number (81937605477).

Almost surely, 2^163875210953 is an apocalyptic number.

It is an amenable number.

163875210953 is a deficient number, since it is larger than the sum of its proper divisors (1).

163875210953 is an equidigital number, since it uses as much as digits as its factorization.

163875210953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 163875210953 in words is "one hundred sixty-three billion, eight hundred seventy-five million, two hundred ten thousand, nine hundred fifty-three".