163043334203 has 2 divisors, whose sum is σ = 163043334204. Its totient is φ = 163043334202.

The previous prime is 163043334169. The next prime is 163043334257. The reversal of 163043334203 is 302433340361.

It is a weak prime.

It is an emirp because it is prime and its reverse (302433340361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163043334203 is a prime.

It is a super-2 number, since 2×163043334203² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163043334203.

It is not a weakly prime, because it can be changed into another prime (163043334263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81521667101 + 81521667102.

It is an arithmetic number, because the mean of its divisors is an integer number (81521667102).

Almost surely, 2^163043334203 is an apocalyptic number.

163043334203 is a deficient number, since it is larger than the sum of its proper divisors (1).

163043334203 is an equidigital number, since it uses as much as digits as its factorization.

163043334203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 163043334203 its reverse (302433340361), we get a palindrome (465476674564).

The spelling of 163043334203 in words is "one hundred sixty-three billion, forty-three million, three hundred thirty-four thousand, two hundred three".