163073036953 has 2 divisors, whose sum is σ = 163073036954. Its totient is φ = 163073036952.

The previous prime is 163073036899. The next prime is 163073036977. The reversal of 163073036953 is 359630370361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161743121929 + 1329915024 = 402173^2 + 36468^2 .

It is an emirp because it is prime and its reverse (359630370361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163073036953 - 2²⁹ = 162536166041 is a prime.

It is not a weakly prime, because it can be changed into another prime (163073034953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81536518476 + 81536518477.

It is an arithmetic number, because the mean of its divisors is an integer number (81536518477).

Almost surely, 2^163073036953 is an apocalyptic number.

It is an amenable number.

163073036953 is a deficient number, since it is larger than the sum of its proper divisors (1).

163073036953 is an equidigital number, since it uses as much as digits as its factorization.

163073036953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 46.

The spelling of 163073036953 in words is "one hundred sixty-three billion, seventy-three million, thirty-six thousand, nine hundred fifty-three".