12106661163 has 16 divisors (see below), whose sum is σ = 17136881280. Its totient is φ = 7576281216.

The previous prime is 12106661153. The next prime is 12106661213. The reversal of 12106661163 is 36116660121.

It is not a de Polignac number, because 12106661163 - 2¹² = 12106657067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12106661123) 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, 293845 + ... + 332502.

It is an arithmetic number, because the mean of its divisors is an integer number (1071055080).

Almost surely, 2^12106661163 is an apocalyptic number.

12106661163 is a deficient number, since it is larger than the sum of its proper divisors (5030220117).

12106661163 is a wasteful number, since it uses less digits than its factorization.

12106661163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626746.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 12106661163 in words is "twelve billion, one hundred six million, six hundred sixty-one thousand, one hundred sixty-three".