1166499999939 has 16 divisors (see below), whose sum is σ = 1559766240000. Its totient is φ = 775450493856.

The previous prime is 1166499999893. The next prime is 1166499999943. The reversal of 1166499999939 is 9399999946611.

It is not a de Polignac number, because 1166499999939 - 2¹¹ = 1166499997891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166499999989) 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 15 ways as a sum of consecutive naturals, for example, 25063312 + ... + 25109810.

It is an arithmetic number, because the mean of its divisors is an integer number (97485390000).

Almost surely, 2^{1166499999939} is an apocalyptic number.

1166499999939 is a deficient number, since it is larger than the sum of its proper divisors (393266240061).

1166499999939 is a wasteful number, since it uses less digits than its factorization.

1166499999939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70154.

The product of its digits is 2066242608, while the sum is 84.

The spelling of 1166499999939 in words is "one trillion, one hundred sixty-six billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty-nine".