66700467012 has 12 divisors (see below), whose sum is σ = 155634423056. Its totient is φ = 22233489000.

The previous prime is 66700467007. The next prime is 66700467013. The reversal of 66700467012 is 21076400766.

66700467012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (66700467013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779186114 + ... + 2779186137.

Almost surely, 2^66700467012 is an apocalyptic number.

It is an amenable number.

66700467012 is an abundant number, since it is smaller than the sum of its proper divisors (88933956044).

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

66700467012 is a wasteful number, since it uses less digits than its factorization.

66700467012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558372258 (or 5558372256 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

Adding to 66700467012 its reverse (21076400766), we get a palindrome (87776867778).

The spelling of 66700467012 in words is "sixty-six billion, seven hundred million, four hundred sixty-seven thousand, twelve".