66330632 has 32 divisors (see below), whose sum is σ = 127980000. Its totient is φ = 32216448.

The previous prime is 66330629. The next prime is 66330679. The reversal of 66330632 is 23603366.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66330595 and 66330604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41219 + ... + 42797.

It is an arithmetic number, because the mean of its divisors is an integer number (3999375).

Almost surely, 2^66330632 is an apocalyptic number.

It is an amenable number.

66330632 is a deficient number, since it is larger than the sum of its proper divisors (61649368).

66330632 is a wasteful number, since it uses less digits than its factorization.

66330632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 66330632 is about 8144.3619762385. The cubic root of 66330632 is about 404.7977082520.

Adding to 66330632 its reverse (23603366), we get a palindrome (89933998).

The spelling of 66330632 in words is "sixty-six million, three hundred thirty thousand, six hundred thirty-two".