66325012 has 24 divisors (see below), whose sum is σ = 125466656. Its totient is φ = 30496608.

The previous prime is 66324997. The next prime is 66325019. The reversal of 66325012 is 21052366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66325019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12463 + ... + 16969.

Almost surely, 2^66325012 is an apocalyptic number.

It is an amenable number.

66325012 is a deficient number, since it is larger than the sum of its proper divisors (59141644).

66325012 is a wasteful number, since it uses less digits than its factorization.

66325012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 66325012 is about 8144.0169449725. The cubic root of 66325012 is about 404.7862754881.

Adding to 66325012 its reverse (21052366), we get a palindrome (87377378).

The spelling of 66325012 in words is "sixty-six million, three hundred twenty-five thousand, twelve".