163322250505201 has 2 divisors, whose sum is σ = 163322250505202. Its totient is φ = 163322250505200.

The previous prime is 163322250505181. The next prime is 163322250505229. The reversal of 163322250505201 is 102505052223361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158935843864576 + 4386406640625 = 12606976^2 + 2094375^2 .

It is an emirp because it is prime and its reverse (102505052223361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163322250505201 - 2⁴³ = 154526157482993 is a prime.

It is not a weakly prime, because it can be changed into another prime (163322256505201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81661125252600 + 81661125252601.

It is an arithmetic number, because the mean of its divisors is an integer number (81661125252601).

Almost surely, 2^{163322250505201} is an apocalyptic number.

It is an amenable number.

163322250505201 is a deficient number, since it is larger than the sum of its proper divisors (1).

163322250505201 is an equidigital number, since it uses as much as digits as its factorization.

163322250505201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 163322250505201 in words is "one hundred sixty-three trillion, three hundred twenty-two billion, two hundred fifty million, five hundred five thousand, two hundred one".