163105533 has 12 divisors (see below), whose sum is σ = 238580160. Its totient is φ = 107360136.

The previous prime is 163105517. The next prime is 163105543. The reversal of 163105533 is 335501361.

It is not a de Polignac number, because 163105533 - 2⁴ = 163105517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163105497 and 163105506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163105513) 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 11 ways as a sum of consecutive naturals, for example, 113991 + ... + 115412.

It is an arithmetic number, because the mean of its divisors is an integer number (19881680).

Almost surely, 2^163105533 is an apocalyptic number.

It is an amenable number.

163105533 is a deficient number, since it is larger than the sum of its proper divisors (75474627).

163105533 is a wasteful number, since it uses less digits than its factorization.

163105533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229488 (or 229485 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 163105533 is about 12771.2776573059. The cubic root of 163105533 is about 546.3734212405.

Adding to 163105533 its reverse (335501361), we get a palindrome (498606894).

The spelling of 163105533 in words is "one hundred sixty-three million, one hundred five thousand, five hundred thirty-three".