11966360161 has 16 divisors (see below), whose sum is σ = 14209799040. Its totient is φ = 9859530240.

The previous prime is 11966360141. The next prime is 11966360207. The reversal of 11966360161 is 16106366911.

It is a de Polignac number, because none of the positive numbers 2^k-11966360161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11966360111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83760 + ... + 175921.

It is an arithmetic number, because the mean of its divisors is an integer number (888112440).

Almost surely, 2^11966360161 is an apocalyptic number.

It is an amenable number.

11966360161 is a deficient number, since it is larger than the sum of its proper divisors (2243438879).

11966360161 is a wasteful number, since it uses less digits than its factorization.

11966360161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259944.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 11966360161 in words is "eleven billion, nine hundred sixty-six million, three hundred sixty thousand, one hundred sixty-one".