564661133 has 8 divisors (see below), whose sum is σ = 595276800. Its totient is φ = 534135168.

The previous prime is 564661121. The next prime is 564661151. The reversal of 564661133 is 331166465.

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 564661133 - 2²⁰ = 563612557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564661093 and 564661102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564621133) 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, 9293 + ... + 34866.

It is an arithmetic number, because the mean of its divisors is an integer number (74409600).

Almost surely, 2^564661133 is an apocalyptic number.

It is an amenable number.

564661133 is a deficient number, since it is larger than the sum of its proper divisors (30615667).

564661133 is a wasteful number, since it uses less digits than its factorization.

564661133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44851.

The product of its digits is 38880, while the sum is 35.

The square root of 564661133 is about 23762.5994579718. The cubic root of 564661133 is about 826.5376321717.

The spelling of 564661133 in words is "five hundred sixty-four million, six hundred sixty-one thousand, one hundred thirty-three".