566466561 has 32 divisors (see below), whose sum is σ = 851760000. Its totient is φ = 372043584.

The previous prime is 566466547. The next prime is 566466587. The reversal of 566466561 is 165664665.

It is not a de Polignac number, because 566466561 - 2¹⁴ = 566450177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (566666561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558691 + ... + 559703.

It is an arithmetic number, because the mean of its divisors is an integer number (26617500).

Almost surely, 2^566466561 is an apocalyptic number.

It is an amenable number.

566466561 is a deficient number, since it is larger than the sum of its proper divisors (285293439).

566466561 is a wasteful number, since it uses less digits than its factorization.

566466561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1304 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 566466561 is about 23800.5579976605. The cubic root of 566466561 is about 827.4176092582.

The spelling of 566466561 in words is "five hundred sixty-six million, four hundred sixty-six thousand, five hundred sixty-one".