196165813686624 has 192 divisors, whose sum is σ = 580731404198400. Its totient is φ = 64408045515264.

The previous prime is 196165813686613. The next prime is 196165813686659. The reversal of 196165813686624 is 426686318561691.

It is a happy number.

196165813686624 is a `hidden beast` number, since 1 + 9 + 6 + 1 + 6 + 581 + 36 + 8 + 6 + 6 + 2 + 4 = 666.

196165813686624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861664842 + ... + 861892470.

It is an arithmetic number, because the mean of its divisors is an integer number (3024642730200).

Almost surely, 2^{196165813686624} 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 196165813686624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290365702099200).

196165813686624 is an abundant number, since it is smaller than the sum of its proper divisors (384565590511776).

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

196165813686624 is a wasteful number, since it uses less digits than its factorization.

196165813686624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242602 (or 242588 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 196165813686624 in words is "one hundred ninety-six trillion, one hundred sixty-five billion, eight hundred thirteen million, six hundred eighty-six thousand, six hundred twenty-four".