196118941680 has 240 divisors, whose sum is σ = 676049587200. Its totient is φ = 50926689792.

The previous prime is 196118941679. The next prime is 196118941693. The reversal of 196118941680 is 86149811691.

196118941680 is a `hidden beast` number, since 1 + 9 + 611 + 8 + 9 + 4 + 16 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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, 6719599 + ... + 6748721.

It is an arithmetic number, because the mean of its divisors is an integer number (2816873280).

Almost surely, 2^196118941680 is an apocalyptic number.

196118941680 is a gapful number since it is divisible by the number (10) 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 196118941680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338024793600).

196118941680 is an abundant number, since it is smaller than the sum of its proper divisors (479930645520).

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

196118941680 is a wasteful number, since it uses less digits than its factorization.

196118941680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29388 (or 29379 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 196118941680 in words is "one hundred ninety-six billion, one hundred eighteen million, nine hundred forty-one thousand, six hundred eighty".