16785650196 has 288 divisors, whose sum is σ = 54574490880. Its totient is φ = 4355334144.

The previous prime is 16785650191. The next prime is 16785650209. The reversal of 16785650196 is 69105658761.

16785650196 is a `hidden beast` number, since 1 + 6 + 78 + 565 + 0 + 1 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16785650191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10807756 + ... + 10809308.

It is an arithmetic number, because the mean of its divisors is an integer number (189494760).

Almost surely, 2^16785650196 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 16785650196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27287245440).

16785650196 is an abundant number, since it is smaller than the sum of its proper divisors (37788840684).

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

16785650196 is a wasteful number, since it uses less digits than its factorization.

16785650196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 16785650196 in words is "sixteen billion, seven hundred eighty-five million, six hundred fifty thousand, one hundred ninety-six".