20100000163 has 2 divisors, whose sum is σ = 20100000164. Its totient is φ = 20100000162.

The previous prime is 20100000157. The next prime is 20100000197. The reversal of 20100000163 is 36100000102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100000163 - 2¹⁷ = 20099869091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100000463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050000081 + 10050000082.

It is an arithmetic number, because the mean of its divisors is an integer number (10050000082).

Almost surely, 2^20100000163 is an apocalyptic number.

20100000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100000163 is an equidigital number, since it uses as much as digits as its factorization.

20100000163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20100000163 its reverse (36100000102), we get a palindrome (56200000265).

The spelling of 20100000163 in words is "twenty billion, one hundred million, one hundred sixty-three", and thus it is an aban number.