660011871440241 has 24 divisors (see below), whose sum is σ = 967563313516800. Its totient is φ = 433458214156800.

The previous prime is 660011871440231. The next prime is 660011871440269. The reversal of 660011871440241 is 142044178110066.

660011871440241 is a `hidden beast` number, since 6 + 6 + 0 + 0 + 1 + 187 + 1 + 440 + 24 + 1 = 666.

It is not a de Polignac number, because 660011871440241 - 2¹⁷ = 660011871309169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660011871440231) 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, 418743216 + ... + 420316433.

It is an arithmetic number, because the mean of its divisors is an integer number (40315138063200).

Almost surely, 2^{660011871440241} is an apocalyptic number.

It is an amenable number.

660011871440241 is a deficient number, since it is larger than the sum of its proper divisors (307551442076559).

660011871440241 is a wasteful number, since it uses less digits than its factorization.

660011871440241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839060957 (or 839060954 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 660011871440241 in words is "six hundred sixty trillion, eleven billion, eight hundred seventy-one million, four hundred forty thousand, two hundred forty-one".