1166422182265 has 16 divisors (see below), whose sum is σ = 1522097503632. Its totient is φ = 854510874624.

The previous prime is 1166422182257. The next prime is 1166422182281. The reversal of 1166422182265 is 5622812246611.

It can be written as a sum of positive squares in 8 ways, for example, as 8112424761 + 1158309757504 = 90069^2 + 1076248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166422182265 - 2³ = 1166422182257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 185437584 + ... + 185443873.

It is an arithmetic number, because the mean of its divisors is an integer number (95131093977).

Almost surely, 2^{1166422182265} is an apocalyptic number.

It is an amenable number.

1166422182265 is a deficient number, since it is larger than the sum of its proper divisors (355675321367).

1166422182265 is a wasteful number, since it uses less digits than its factorization.

1166422182265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370881516.

The product of its digits is 552960, while the sum is 46.

The spelling of 1166422182265 in words is "one trillion, one hundred sixty-six billion, four hundred twenty-two million, one hundred eighty-two thousand, two hundred sixty-five".