66241112236 has 72 divisors (see below), whose sum is σ = 130093236000. Its totient is φ = 29464081920.

The previous prime is 66241112029. The next prime is 66241112237. The reversal of 66241112236 is 63221114266.

66241112236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66241112237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11739976 + ... + 11745616.

It is an arithmetic number, because the mean of its divisors is an integer number (1806850500).

Almost surely, 2^66241112236 is an apocalyptic number.

It is an amenable number.

66241112236 is a deficient number, since it is larger than the sum of its proper divisors (63852123764).

66241112236 is a wasteful number, since it uses less digits than its factorization.

66241112236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299 (or 6284 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The spelling of 66241112236 in words is "sixty-six billion, two hundred forty-one million, one hundred twelve thousand, two hundred thirty-six".