660063134162161 has 16 divisors (see below), whose sum is σ = 666734594093568. Its totient is φ = 653394359304000.

The previous prime is 660063134162147. The next prime is 660063134162167. The reversal of 660063134162161 is 161261431360066.

It is a cyclic number.

It is not a de Polignac number, because 660063134162161 - 2¹⁵ = 660063134129393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660063134162167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13125894760 + ... + 13125945046.

It is an arithmetic number, because the mean of its divisors is an integer number (41670912130848).

Almost surely, 2^{660063134162161} is an apocalyptic number.

It is an amenable number.

660063134162161 is a deficient number, since it is larger than the sum of its proper divisors (6671459931407).

660063134162161 is a wasteful number, since it uses less digits than its factorization.

660063134162161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74352.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 660063134162161 in words is "six hundred sixty trillion, sixty-three billion, one hundred thirty-four million, one hundred sixty-two thousand, one hundred sixty-one".