133163163 has 16 divisors (see below), whose sum is σ = 225461760. Its totient is φ = 76093128.

The previous prime is 133163143. The next prime is 133163201. The reversal of 133163163 is 361361331.

It is not a de Polignac number, because 133163163 - 2⁸ = 133162907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133163143) 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, 352095 + ... + 352472.

It is an arithmetic number, because the mean of its divisors is an integer number (14091360).

Almost surely, 2^133163163 is an apocalyptic number.

133163163 is a deficient number, since it is larger than the sum of its proper divisors (92298597).

133163163 is an equidigital number, since it uses as much as digits as its factorization.

133163163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704583 (or 704577 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 133163163 is about 11539.6344396172. The cubic root of 133163163 is about 510.6555238494.

The spelling of 133163163 in words is "one hundred thirty-three million, one hundred sixty-three thousand, one hundred sixty-three".