163216642103 has 2 divisors, whose sum is σ = 163216642104. Its totient is φ = 163216642102.

The previous prime is 163216642081. The next prime is 163216642129. The reversal of 163216642103 is 301246612361.

It is a weak prime.

It is an emirp because it is prime and its reverse (301246612361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163216642103 - 2²⁸ = 162948206647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163216642403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81608321051 + 81608321052.

It is an arithmetic number, because the mean of its divisors is an integer number (81608321052).

Almost surely, 2^163216642103 is an apocalyptic number.

163216642103 is a deficient number, since it is larger than the sum of its proper divisors (1).

163216642103 is an equidigital number, since it uses as much as digits as its factorization.

163216642103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 163216642103 in words is "one hundred sixty-three billion, two hundred sixteen million, six hundred forty-two thousand, one hundred three".