68418029196 has 144 divisors (see below), whose sum is σ = 193057956000. Its totient is φ = 20254924800.

The previous prime is 68418029171. The next prime is 68418029209. The reversal of 68418029196 is 69192081486.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3589740 + ... + 3608748.

It is an arithmetic number, because the mean of its divisors is an integer number (1340680250).

Almost surely, 2^68418029196 is an apocalyptic number.

68418029196 is a gapful number since it is divisible by the number (66) 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 68418029196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96528978000).

68418029196 is an abundant number, since it is smaller than the sum of its proper divisors (124639926804).

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

68418029196 is a wasteful number, since it uses less digits than its factorization.

68418029196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19240 (or 19235 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 68418029196 in words is "sixty-eight billion, four hundred eighteen million, twenty-nine thousand, one hundred ninety-six".