66000412 has 6 divisors (see below), whose sum is σ = 115500728. Its totient is φ = 33000204.

The previous prime is 66000373. The next prime is 66000419. The reversal of 66000412 is 21400066.

It is a self number, because there is not a number n which added to its sum of digits gives 66000412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66000419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8250048 + ... + 8250055.

Almost surely, 2^66000412 is an apocalyptic number.

It is an amenable number.

66000412 is a deficient number, since it is larger than the sum of its proper divisors (49500316).

66000412 is a wasteful number, since it uses less digits than its factorization.

66000412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16500107 (or 16500105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 66000412 is about 8124.0637614435. The cubic root of 66000412 is about 404.1248429650.

Adding to 66000412 its reverse (21400066), we get a palindrome (87400478).

The spelling of 66000412 in words is "sixty-six million, four hundred twelve", and thus it is an aban number.