66232998 has 32 divisors (see below), whose sum is σ = 158508000. Its totient is φ = 20379168.

The previous prime is 66232981. The next prime is 66233021. The reversal of 66232998 is 89923266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46473 + ... + 47876.

It is an arithmetic number, because the mean of its divisors is an integer number (4953375).

Almost surely, 2^66232998 is an apocalyptic number.

66232998 is an abundant number, since it is smaller than the sum of its proper divisors (92275002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66232998 is a wasteful number, since it uses less digits than its factorization.

66232998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94373 (or 94367 counting only the distinct ones).

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

The square root of 66232998 is about 8138.3658064749. The cubic root of 66232998 is about 404.5989995241.

The spelling of 66232998 in words is "sixty-six million, two hundred thirty-two thousand, nine hundred ninety-eight".