1166469736943 has 16 divisors (see below), whose sum is σ = 1412494076160. Its totient is φ = 940372488576.

The previous prime is 1166469736897. The next prime is 1166469736973. The reversal of 1166469736943 is 3496379646611.

It is a cyclic number.

It is not a de Polignac number, because 1166469736943 - 2¹⁸ = 1166469474799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166469736943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166469736973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3185621 + ... + 3532862.

It is an arithmetic number, because the mean of its divisors is an integer number (88280879760).

Almost surely, 2^{1166469736943} is an apocalyptic number.

1166469736943 is a deficient number, since it is larger than the sum of its proper divisors (246024339217).

1166469736943 is a wasteful number, since it uses less digits than its factorization.

1166469736943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719966.

The product of its digits is 105815808, while the sum is 65.

It can be divided in two parts, 116646 and 9736943, that added together give a palindrome (9853589).

The spelling of 1166469736943 in words is "one trillion, one hundred sixty-six billion, four hundred sixty-nine million, seven hundred thirty-six thousand, nine hundred forty-three".