66594089 has 8 divisors (see below), whose sum is σ = 67699968. Its totient is φ = 65496960.

The previous prime is 66594041. The next prime is 66594103. The reversal of 66594089 is 98049566.

66594089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 66594089 - 2⁸ = 66593833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66594019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14144 + ... + 18254.

It is an arithmetic number, because the mean of its divisors is an integer number (8462496).

Almost surely, 2^66594089 is an apocalyptic number.

It is an amenable number.

66594089 is a deficient number, since it is larger than the sum of its proper divisors (1105879).

66594089 is a wasteful number, since it uses less digits than its factorization.

66594089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 66594089 is about 8160.5201427360. The cubic root of 66594089 is about 405.3329355994.

The spelling of 66594089 in words is "sixty-six million, five hundred ninety-four thousand, eighty-nine".