561334066 has 8 divisors (see below), whose sum is σ = 859916160. Its totient is φ = 274695348.

The previous prime is 561334027. The next prime is 561334079. The reversal of 561334066 is 660433165.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2985726 + ... + 2985913.

It is an arithmetic number, because the mean of its divisors is an integer number (107489520).

Almost surely, 2^561334066 is an apocalyptic number.

561334066 is a deficient number, since it is larger than the sum of its proper divisors (298582094).

561334066 is a wasteful number, since it uses less digits than its factorization.

561334066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971688.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 561334066 is about 23692.4896538967. The cubic root of 561334066 is about 824.9110726309.

Subtracting 561334066 from its reverse (660433165), we obtain a palindrome (99099099).

The spelling of 561334066 in words is "five hundred sixty-one million, three hundred thirty-four thousand, sixty-six".