1166412111296 has 56 divisors (see below), whose sum is σ = 2344270383840. Its totient is φ = 575768466432.

The previous prime is 1166412111233. The next prime is 1166412111301. The reversal of 1166412111296 is 6921112146611.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1630541 + ... + 2234163.

It is an arithmetic number, because the mean of its divisors is an integer number (41861971140).

Almost surely, 2^{1166412111296} is an apocalyptic number.

1166412111296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1166412111296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172135191920).

1166412111296 is an abundant number, since it is smaller than the sum of its proper divisors (1177858272544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166412111296 is a wasteful number, since it uses less digits than its factorization.

1166412111296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604021 (or 604011 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The spelling of 1166412111296 in words is "one trillion, one hundred sixty-six billion, four hundred twelve million, one hundred eleven thousand, two hundred ninety-six".