566961121 has 8 divisors (see below), whose sum is σ = 598227200. Its totient is φ = 535837680.

The previous prime is 566961113. The next prime is 566961151. The reversal of 566961121 is 121169665.

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 566961121 - 2³ = 566961113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566961151) 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, 27441 + ... + 43438.

It is an arithmetic number, because the mean of its divisors is an integer number (74778400).

Almost surely, 2^566961121 is an apocalyptic number.

It is an amenable number.

566961121 is a deficient number, since it is larger than the sum of its proper divisors (31266079).

566961121 is a wasteful number, since it uses less digits than its factorization.

566961121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71319.

The product of its digits is 19440, while the sum is 37.

The square root of 566961121 is about 23810.9454033224. The cubic root of 566961121 is about 827.6583346313.

The spelling of 566961121 in words is "five hundred sixty-six million, nine hundred sixty-one thousand, one hundred twenty-one".