196618199964480 has 896 divisors, whose sum is σ = 870716434636800. Its totient is φ = 40724836466688.

The previous prime is 196618199964479. The next prime is 196618199964481. The reversal of 196618199964480 is 84469991816691.

196618199964480 is a `hidden beast` number, since 1 + 9 + 6 + 6 + 1 + 81 + 9 + 9 + 96 + 448 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (196618199964479) and next prime (196618199964481).

It is a self number, because there is not a number n which added to its sum of digits gives 196618199964480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196618199964481) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22710124 + ... + 30149396.

Almost surely, 2^{196618199964480} is an apocalyptic number.

196618199964480 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 196618199964480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435358217318400).

196618199964480 is an abundant number, since it is smaller than the sum of its proper divisors (674098234672320).

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

196618199964480 is a wasteful number, since it uses less digits than its factorization.

196618199964480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439348 (or 7439332 counting only the distinct ones).

The product of its (nonzero) digits is 1451188224, while the sum is 81.

The spelling of 196618199964480 in words is "one hundred ninety-six trillion, six hundred eighteen billion, one hundred ninety-nine million, nine hundred sixty-four thousand, four hundred eighty".