660113210224601 has 12 divisors (see below), whose sum is σ = 767889041522148. Its totient is φ = 565809668135712.

The previous prime is 660113210224583. The next prime is 660113210224649. The reversal of 660113210224601 is 106422012311066.

It can be written as a sum of positive squares in 2 ways, for example, as 633143354275600 + 26969855949001 = 25162340^2 + 5193251^2 .

It is a de Polignac number, because none of the positive numbers 2^k-660113210224601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660113210224001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2627966 + ... + 36429831.

It is an arithmetic number, because the mean of its divisors is an integer number (63990753460179).

Almost surely, 2^{660113210224601} is an apocalyptic number.

It is an amenable number.

660113210224601 is a deficient number, since it is larger than the sum of its proper divisors (107775831297547).

660113210224601 is a wasteful number, since it uses less digits than its factorization.

660113210224601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39402728 (or 39402721 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 660113210224601 its reverse (106422012311066), we get a palindrome (766535222535667).

The spelling of 660113210224601 in words is "six hundred sixty trillion, one hundred thirteen billion, two hundred ten million, two hundred twenty-four thousand, six hundred one".