64660012 has 12 divisors (see below), whose sum is σ = 113905456. Its totient is φ = 32115600.

The previous prime is 64660009. The next prime is 64660019. The reversal of 64660012 is 21006646.

It is a happy number.

64660012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64660019) 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 3 ways as a sum of consecutive naturals, for example, 52923 + ... + 54130.

Almost surely, 2^64660012 is an apocalyptic number.

It is an amenable number.

64660012 is a deficient number, since it is larger than the sum of its proper divisors (49245444).

64660012 is a wasteful number, since it uses less digits than its factorization.

64660012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107208 (or 107206 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 64660012 is about 8041.1449433523. The cubic root of 64660012 is about 401.3703251616.

Adding to 64660012 its reverse (21006646), we get a palindrome (85666658).

The spelling of 64660012 in words is "sixty-four million, six hundred sixty thousand, twelve".