196799585472 has 280 divisors, whose sum is σ = 671820652800. Its totient is φ = 55797880320.

The previous prime is 196799585453. The next prime is 196799585573. The reversal of 196799585472 is 274585997691.

196799585472 is a `hidden beast` number, since 1 + 9 + 6 + 79 + 9 + 5 + 8 + 547 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 196799585472.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4733029 + ... + 4774427.

Almost surely, 2^196799585472 is an apocalyptic number.

196799585472 is a gapful number since it is divisible by the number (12) 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 196799585472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335910326400).

196799585472 is an abundant number, since it is smaller than the sum of its proper divisors (475021067328).

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

196799585472 is a wasteful number, since it uses less digits than its factorization.

196799585472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41561 (or 41542 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 72.

The spelling of 196799585472 in words is "one hundred ninety-six billion, seven hundred ninety-nine million, five hundred eighty-five thousand, four hundred seventy-two".