66332330 has 16 divisors (see below), whose sum is σ = 119492064. Its totient is φ = 26512080.

The previous prime is 66332327. The next prime is 66332341. The reversal of 66332330 is 3323366.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66332330.

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, 20525 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (7468254).

Almost surely, 2^66332330 is an apocalyptic number.

66332330 is a deficient number, since it is larger than the sum of its proper divisors (53159734).

66332330 is a wasteful number, since it uses less digits than its factorization.

66332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 5832, while the sum is 26.

The square root of 66332330 is about 8144.4662194646. The cubic root of 66332330 is about 404.8011623658.

Adding to 66332330 its reverse (3323366), we get a palindrome (69655696).

It can be divided in two parts, 6 and 6332330, that added together give a palindrome (6332336).

The spelling of 66332330 in words is "sixty-six million, three hundred thirty-two thousand, three hundred thirty".