1168188199992 has 192 divisors, whose sum is σ = 3655286818560. Its totient is φ = 333551116800.

The previous prime is 1168188199979. The next prime is 1168188200017. The reversal of 1168188199992 is 2999918818611.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1168188199992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 741892 + ... + 1699052.

It is an arithmetic number, because the mean of its divisors is an integer number (19037952180).

Almost surely, 2^{1168188199992} is an apocalyptic number.

1168188199992 is a gapful number since it is divisible by the number (12) 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 1168188199992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827643409280).

1168188199992 is an abundant number, since it is smaller than the sum of its proper divisors (2487098618568).

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

1168188199992 is a wasteful number, since it uses less digits than its factorization.

1168188199992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957274 (or 957267 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 72.

The spelling of 1168188199992 in words is "one trillion, one hundred sixty-eight billion, one hundred eighty-eight million, one hundred ninety-nine thousand, nine hundred ninety-two".