533338661 has 8 divisors (see below), whose sum is σ = 540207360. Its totient is φ = 526480672.

The previous prime is 533338649. The next prime is 533338669. The reversal of 533338661 is 166833335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 533338661 - 2¹⁴ = 533322277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533338669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157100 + ... + 160458.

It is an arithmetic number, because the mean of its divisors is an integer number (67525920).

Almost surely, 2^533338661 is an apocalyptic number.

It is an amenable number.

533338661 is a deficient number, since it is larger than the sum of its proper divisors (6868699).

533338661 is a wasteful number, since it uses less digits than its factorization.

533338661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355.

The product of its digits is 116640, while the sum is 38.

The square root of 533338661 is about 23094.1261146639. The cubic root of 533338661 is about 810.9629663962.

The spelling of 533338661 in words is "five hundred thirty-three million, three hundred thirty-eight thousand, six hundred sixty-one".