66002412 has 36 divisors (see below), whose sum is σ = 179151000. Its totient is φ = 18857664.

The previous prime is 66002407. The next prime is 66002459. The reversal of 66002412 is 21420066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55537 + ... + 56712.

Almost surely, 2^66002412 is an apocalyptic number.

It is an amenable number.

66002412 is an abundant number, since it is smaller than the sum of its proper divisors (113148588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66002412 is a wasteful number, since it uses less digits than its factorization.

66002412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112270 (or 112261 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 66002412 is about 8124.1868516178. The cubic root of 66002412 is about 404.1289249674.

Adding to 66002412 its reverse (21420066), we get a palindrome (87422478).

The spelling of 66002412 in words is "sixty-six million, two thousand, four hundred twelve".