68198198112 has 216 divisors, whose sum is σ = 224393977080. Its totient is φ = 19578240000.

The previous prime is 68198198083. The next prime is 68198198119. The reversal of 68198198112 is 21189189186.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68198198119) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 610612 + ... + 713612.

It is an arithmetic number, because the mean of its divisors is an integer number (1038861005).

Almost surely, 2^68198198112 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 68198198112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112196988540).

68198198112 is an abundant number, since it is smaller than the sum of its proper divisors (156195778968).

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

68198198112 is a wasteful number, since it uses less digits than its factorization.

68198198112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103058 (or 103036 counting only the distinct ones).

The product of its digits is 497664, while the sum is 54.

The spelling of 68198198112 in words is "sixty-eight billion, one hundred ninety-eight million, one hundred ninety-eight thousand, one hundred twelve".