201660300611 has 48 divisors (see below), whose sum is σ = 271023563520. Its totient is φ = 148061833920.

The previous prime is 201660300599. The next prime is 201660300617. The reversal of 201660300611 is 116003066102.

It is not a de Polignac number, because 201660300611 - 2⁶ = 201660300547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201660300617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 709205 + ... + 951993.

It is an arithmetic number, because the mean of its divisors is an integer number (5646324240).

Almost surely, 2^201660300611 is an apocalyptic number.

201660300611 is a deficient number, since it is larger than the sum of its proper divisors (69363262909).

201660300611 is a wasteful number, since it uses less digits than its factorization.

201660300611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242904 (or 242897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 201660300611 its reverse (116003066102), we get a palindrome (317663366713).

The spelling of 201660300611 in words is "two hundred one billion, six hundred sixty million, three hundred thousand, six hundred eleven".