116861220168 has 192 divisors, whose sum is σ = 382960327680. Its totient is φ = 29033727360.

The previous prime is 116861220167. The next prime is 116861220187. The reversal of 116861220168 is 861022168611.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (116861220167) 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 47 ways as a sum of consecutive naturals, for example, 342571 + ... + 592517.

It is an arithmetic number, because the mean of its divisors is an integer number (1994585040).

Almost surely, 2^116861220168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116861220168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191480163840).

116861220168 is an abundant number, since it is smaller than the sum of its proper divisors (266099107512).

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

116861220168 is a wasteful number, since it uses less digits than its factorization.

116861220168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250008 (or 249993 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

Adding to 116861220168 its reverse (861022168611), we get a palindrome (977883388779).

The spelling of 116861220168 in words is "one hundred sixteen billion, eight hundred sixty-one million, two hundred twenty thousand, one hundred sixty-eight".