163104503 has 4 divisors (see below), whose sum is σ = 163681128. Its totient is φ = 162527880.

The previous prime is 163104499. The next prime is 163104541. The reversal of 163104503 is 305401361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305401361 = 1543 ⋅197927.

It is a cyclic number.

It is not a de Polignac number, because 163104503 - 2² = 163104499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163104593) 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 in 3 ways as a sum of consecutive naturals, for example, 287888 + ... + 288453.

It is an arithmetic number, because the mean of its divisors is an integer number (40920282).

Almost surely, 2^163104503 is an apocalyptic number.

163104503 is a deficient number, since it is larger than the sum of its proper divisors (576625).

163104503 is an equidigital number, since it uses as much as digits as its factorization.

163104503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576624.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 163104503 is about 12771.2373323809. The cubic root of 163104503 is about 546.3722711348.

Adding to 163104503 its reverse (305401361), we get a palindrome (468505864).

The spelling of 163104503 in words is "one hundred sixty-three million, one hundred four thousand, five hundred three".