814896783196650 has 648 divisors, whose sum is σ = 2808498617084160. Its totient is φ = 168777471139200.

The previous prime is 814896783196637. The next prime is 814896783196667. The reversal of 814896783196650 is 56691387698418.

It is a happy number.

814896783196650 is a `hidden beast` number, since 8 + 1 + 48 + 96 + 78 + 319 + 66 + 50 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 814896783196650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 818593911 + ... + 819588789.

Almost surely, 2^{814896783196650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814896783196650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404249308542080).

814896783196650 is an abundant number, since it is smaller than the sum of its proper divisors (1993601833887510).

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

814896783196650 is a wasteful number, since it uses less digits than its factorization.

814896783196650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995240 (or 995214 counting only the distinct ones).

The product of its (nonzero) digits is 3762339840, while the sum is 81.

The spelling of 814896783196650 in words is "eight hundred fourteen trillion, eight hundred ninety-six billion, seven hundred eighty-three million, one hundred ninety-six thousand, six hundred fifty".