9066661 has 8 divisors (see below), whose sum is σ = 9644184. Its totient is φ = 8494080.

The previous prime is 9066653. The next prime is 9066677. The reversal of 9066661 is 1666609.

It is a happy number.

9066661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6604900 + 2461761 = 2570^2 + 1569^2 .

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 9066661 - 2³ = 9066653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9066691) 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, 2991 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (1205523).

Almost surely, 2^9066661 is an apocalyptic number.

It is an amenable number.

9066661 is a deficient number, since it is larger than the sum of its proper divisors (577523).

9066661 is a wasteful number, since it uses less digits than its factorization.

9066661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 9066661 is about 3011.0896698704. The cubic root of 9066661 is about 208.5206768499.

The spelling of 9066661 in words is "nine million, sixty-six thousand, six hundred sixty-one".