66041435212 has 12 divisors (see below), whose sum is σ = 115599437800. Its totient is φ = 33013024416.

The previous prime is 66041435179. The next prime is 66041435237. The reversal of 66041435212 is 21253414066.

It is a super-2 number, since 2×66041435212² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903962 + ... + 1938337.

Almost surely, 2^66041435212 is an apocalyptic number.

It is an amenable number.

66041435212 is a deficient number, since it is larger than the sum of its proper divisors (49558002588).

66041435212 is a wasteful number, since it uses less digits than its factorization.

66041435212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846600 (or 3846598 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 66041435212 its reverse (21253414066), we get a palindrome (87294849278).

The spelling of 66041435212 in words is "sixty-six billion, forty-one million, four hundred thirty-five thousand, two hundred twelve".