196494642168 has 192 divisors, whose sum is σ = 579390174720. Its totient is φ = 55032998400.

The previous prime is 196494642143. The next prime is 196494642221. The reversal of 196494642168 is 861246494691.

It is a super-2 number, since 2×196494642168² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3882321 + ... + 3932607.

It is an arithmetic number, because the mean of its divisors is an integer number (3017657160).

Almost surely, 2^196494642168 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 196494642168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289695087360).

196494642168 is an abundant number, since it is smaller than the sum of its proper divisors (382895532552).

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

196494642168 is a wasteful number, since it uses less digits than its factorization.

196494642168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50386 (or 50363 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 60.

The spelling of 196494642168 in words is "one hundred ninety-six billion, four hundred ninety-four million, six hundred forty-two thousand, one hundred sixty-eight".