1168137944736 has 192 divisors, whose sum is σ = 3626472487680. Its totient is φ = 322136801280.

The previous prime is 1168137944653. The next prime is 1168137944741. The reversal of 1168137944736 is 6374497318611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1168137944736.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 70869616 + ... + 70886096.

It is an arithmetic number, because the mean of its divisors is an integer number (18887877540).

Almost surely, 2^{1168137944736} is an apocalyptic number.

1168137944736 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 1168137944736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813236243840).

1168137944736 is an abundant number, since it is smaller than the sum of its proper divisors (2458334542944).

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

1168137944736 is a wasteful number, since it uses less digits than its factorization.

1168137944736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20167 (or 20159 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 1168137944736 in words is "one trillion, one hundred sixty-eight billion, one hundred thirty-seven million, nine hundred forty-four thousand, seven hundred thirty-six".