163505103 has 16 divisors (see below), whose sum is σ = 228251520. Its totient is φ = 103972064.

The previous prime is 163505101. The next prime is 163505117. The reversal of 163505103 is 301505361.

It is a cyclic number.

It is not a de Polignac number, because 163505103 - 2¹ = 163505101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163505101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4101 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (14265720).

Almost surely, 2^163505103 is an apocalyptic number.

163505103 is a deficient number, since it is larger than the sum of its proper divisors (64746417).

163505103 is a wasteful number, since it uses less digits than its factorization.

163505103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 163505103 is about 12786.9113940779. The cubic root of 163505103 is about 546.8192193142.

The spelling of 163505103 in words is "one hundred sixty-three million, five hundred five thousand, one hundred three".