1166111606303 has 12 divisors (see below), whose sum is σ = 1356515380080. Its totient is φ = 999510819552.

The previous prime is 1166111606221. The next prime is 1166111606357. The reversal of 1166111606303 is 3036061116611.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1166111606303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166111606383) 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, 5701550 + ... + 5902532.

It is an arithmetic number, because the mean of its divisors is an integer number (113042948340).

Almost surely, 2^{1166111606303} is an apocalyptic number.

1166111606303 is a deficient number, since it is larger than the sum of its proper divisors (190403773777).

1166111606303 is a wasteful number, since it uses less digits than its factorization.

1166111606303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319406 (or 319399 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 1166111606303 in words is "one trillion, one hundred sixty-six billion, one hundred eleven million, six hundred six thousand, three hundred three".