66232899 has 6 divisors (see below), whose sum is σ = 95669756. Its totient is φ = 44155260.

The previous prime is 66232883. The next prime is 66232909. The reversal of 66232899 is 99823266.

66232899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66232899 - 2⁴ = 66232883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66232819) 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 5 ways as a sum of consecutive naturals, for example, 3679597 + ... + 3679614.

Almost surely, 2^66232899 is an apocalyptic number.

66232899 is a deficient number, since it is larger than the sum of its proper divisors (29436857).

66232899 is a wasteful number, since it uses less digits than its factorization.

66232899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7359217 (or 7359214 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 66232899 is about 8138.3597241705. The cubic root of 66232899 is about 404.5987979361.

The spelling of 66232899 in words is "sixty-six million, two hundred thirty-two thousand, eight hundred ninety-nine".