9066561 has 16 divisors (see below), whose sum is σ = 13893504. Its totient is φ = 5151744.

The previous prime is 9066557. The next prime is 9066569. The reversal of 9066561 is 1656609.

It is not a de Polignac number, because 9066561 - 2² = 9066557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9066569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (868344).

Almost surely, 2^9066561 is an apocalyptic number.

It is an amenable number.

9066561 is a deficient number, since it is larger than the sum of its proper divisors (4826943).

9066561 is a wasteful number, since it uses less digits than its factorization.

9066561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 9066561 is about 3011.0730645403. The cubic root of 9066561 is about 208.5199102265.

The spelling of 9066561 in words is "nine million, sixty-six thousand, five hundred sixty-one".