1106160561665 has 4 divisors (see below), whose sum is σ = 1327392674004. Its totient is φ = 884928449328.

The previous prime is 1106160561659. The next prime is 1106160561673. The reversal of 1106160561665 is 5661650616011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 764617331776 + 341543229889 = 874424^2 + 584417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106160561665 - 2¹² = 1106160557569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110616056162 + ... + 110616056171.

It is an arithmetic number, because the mean of its divisors is an integer number (331848168501).

Almost surely, 2^{1106160561665} is an apocalyptic number.

It is an amenable number.

1106160561665 is a deficient number, since it is larger than the sum of its proper divisors (221232112339).

1106160561665 is an equidigital number, since it uses as much as digits as its factorization.

1106160561665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221232112338.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 1106160561665 in words is "one trillion, one hundred six billion, one hundred sixty million, five hundred sixty-one thousand, six hundred sixty-five".