1105666630161 has 12 divisors (see below), whose sum is σ = 1474957472688. Its totient is φ = 736743620304.

The previous prime is 1105666630157. The next prime is 1105666630177. The reversal of 1105666630161 is 1610366665011.

It is not a de Polignac number, because 1105666630161 - 2² = 1105666630157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105666630111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12600706 + ... + 12688148.

It is an arithmetic number, because the mean of its divisors is an integer number (122913122724).

Almost surely, 2^{1105666630161} is an apocalyptic number.

It is an amenable number.

1105666630161 is a deficient number, since it is larger than the sum of its proper divisors (369290842527).

1105666630161 is an frugal number, since it uses more digits than its factorization.

1105666630161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91552 (or 89499 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 1105666630161 in words is "one trillion, one hundred five billion, six hundred sixty-six million, six hundred thirty thousand, one hundred sixty-one".