33160189 has 4 divisors (see below), whose sum is σ = 33453756. Its totient is φ = 32866624.

The previous prime is 33160163. The next prime is 33160199. The reversal of 33160189 is 98106133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98106133 = 17 ⋅5770949.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 32684089 = 690^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 33160189 - 2²³ = 24771581 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33160189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33160199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146614 + ... + 146839.

It is an arithmetic number, because the mean of its divisors is an integer number (8363439).

Almost surely, 2^33160189 is an apocalyptic number.

It is an amenable number.

33160189 is a deficient number, since it is larger than the sum of its proper divisors (293567).

33160189 is a wasteful number, since it uses less digits than its factorization.

33160189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293566.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 33160189 is about 5758.4884301351. The cubic root of 33160189 is about 321.2715972096.

The spelling of 33160189 in words is "thirty-three million, one hundred sixty thousand, one hundred eighty-nine".