197942036808204 has 480 divisors, whose sum is σ = 593790006458880. Its totient is φ = 56959442362368.

The previous prime is 197942036808179. The next prime is 197942036808233. The reversal of 197942036808204 is 402808630249791.

197942036808204 is a `hidden beast` number, since 1 + 9 + 79 + 420 + 3 + 68 + 0 + 82 + 0 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 11693855589 + ... + 11693872515.

It is an arithmetic number, because the mean of its divisors is an integer number (1237062513456).

Almost surely, 2^{197942036808204} 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 197942036808204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296895003229440).

197942036808204 is an abundant number, since it is smaller than the sum of its proper divisors (395847969650676).

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

197942036808204 is a wasteful number, since it uses less digits than its factorization.

197942036808204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17999 (or 17988 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 197942036808204 in words is "one hundred ninety-seven trillion, nine hundred forty-two billion, thirty-six million, eight hundred eight thousand, two hundred four".