66232583 has 4 divisors (see below), whose sum is σ = 66327768. Its totient is φ = 66137400.

The previous prime is 66232511. The next prime is 66232597. The reversal of 66232583 is 38523266.

66232583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66232583 - 2¹⁶ = 66167047 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 (66232483) 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 3 ways as a sum of consecutive naturals, for example, 46541 + ... + 47942.

It is an arithmetic number, because the mean of its divisors is an integer number (16581942).

Almost surely, 2^66232583 is an apocalyptic number.

66232583 is a deficient number, since it is larger than the sum of its proper divisors (95185).

66232583 is an equidigital number, since it uses as much as digits as its factorization.

66232583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95184.

The product of its digits is 51840, while the sum is 35.

The square root of 66232583 is about 8138.3403099158. The cubic root of 66232583 is about 404.5981544824.

The spelling of 66232583 in words is "sixty-six million, two hundred thirty-two thousand, five hundred eighty-three".