68085198 has 48 divisors (see below), whose sum is σ = 159659136. Its totient is φ = 21704760.

The previous prime is 68085191. The next prime is 68085203. The reversal of 68085198 is 89158086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68085191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8133 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (3326232).

Almost surely, 2^68085198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68085198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79829568).

68085198 is an abundant number, since it is smaller than the sum of its proper divisors (91573938).

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

68085198 is a wasteful number, since it uses less digits than its factorization.

68085198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131 (or 6119 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 68085198 is about 8251.3755216933. The cubic root of 68085198 is about 408.3359041719.

The spelling of 68085198 in words is "sixty-eight million, eighty-five thousand, one hundred ninety-eight".