163133411 has 32 divisors (see below), whose sum is σ = 216898560. Its totient is φ = 119218176.

The previous prime is 163133389. The next prime is 163133413. The reversal of 163133411 is 114331361.

It is a de Polignac number, because none of the positive numbers 2^k-163133411 is a prime.

It is a super-2 number, since 2×163133411² = 53225019568989842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163133413) 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 31 ways as a sum of consecutive naturals, for example, 50435 + ... + 53571.

It is an arithmetic number, because the mean of its divisors is an integer number (6778080).

Almost surely, 2^163133411 is an apocalyptic number.

163133411 is a deficient number, since it is larger than the sum of its proper divisors (53765149).

163133411 is a wasteful number, since it uses less digits than its factorization.

163133411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203.

The product of its digits is 648, while the sum is 23.

The square root of 163133411 is about 12772.3690441515. The cubic root of 163133411 is about 546.4045481848.

Adding to 163133411 its reverse (114331361), we get a palindrome (277464772).

The spelling of 163133411 in words is "one hundred sixty-three million, one hundred thirty-three thousand, four hundred eleven".