163355133 has 16 divisors (see below), whose sum is σ = 221878656. Its totient is φ = 106875840.

The previous prime is 163355119. The next prime is 163355149. The reversal of 163355133 is 331553361.

It is not a de Polignac number, because 163355133 - 2²¹ = 161257981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163355133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163355113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118816 + ... + 120182.

It is an arithmetic number, because the mean of its divisors is an integer number (13867416).

Almost surely, 2^163355133 is an apocalyptic number.

It is an amenable number.

163355133 is a deficient number, since it is larger than the sum of its proper divisors (58523523).

163355133 is a wasteful number, since it uses less digits than its factorization.

163355133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its digits is 12150, while the sum is 30.

The square root of 163355133 is about 12781.0458492253. The cubic root of 163355133 is about 546.6519838330.

The spelling of 163355133 in words is "one hundred sixty-three million, three hundred fifty-five thousand, one hundred thirty-three".