66113436020012 has 24 divisors (see below), whose sum is σ = 122561473055616. Its totient is φ = 31097687056128.

The previous prime is 66113436019937. The next prime is 66113436020053. The reversal of 66113436020012 is 21002063431166.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226698983 + ... + 226990430.

It is an arithmetic number, because the mean of its divisors is an integer number (5106728043984).

Almost surely, 2^{66113436020012} is an apocalyptic number.

It is an amenable number.

66113436020012 is a deficient number, since it is larger than the sum of its proper divisors (56448037035604).

66113436020012 is a wasteful number, since it uses less digits than its factorization.

66113436020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453691577 (or 453691575 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 66113436020012 its reverse (21002063431166), we get a palindrome (87115499451178).

The spelling of 66113436020012 in words is "sixty-six trillion, one hundred thirteen billion, four hundred thirty-six million, twenty thousand, twelve".