196818436080 has 240 divisors, whose sum is σ = 765757387200. Its totient is φ = 44370726912.

The previous prime is 196818436069. The next prime is 196818436081. The reversal of 196818436080 is 80634818691.

196818436080 is a `hidden beast` number, since 19 + 6 + 8 + 18 + 4 + 3 + 608 + 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 not an unprimeable number, because it can be changed into a prime (196818436081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100446 + ... + 635394.

It is an arithmetic number, because the mean of its divisors is an integer number (3190655780).

Almost surely, 2^196818436080 is an apocalyptic number.

196818436080 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 196818436080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382878693600).

196818436080 is an abundant number, since it is smaller than the sum of its proper divisors (568938951120).

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

196818436080 is a wasteful number, since it uses less digits than its factorization.

196818436080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535048 (or 535039 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 196818436080 in words is "one hundred ninety-six billion, eight hundred eighteen million, four hundred thirty-six thousand, eighty".