199500183049986 has 256 divisors, whose sum is σ = 563341647052800. Its totient is φ = 50909230944000.

The previous prime is 199500183049969. The next prime is 199500183050023. The reversal of 199500183049986 is 689940381005991.

199500183049986 is a `hidden beast` number, since 1 + 9 + 9 + 50 + 0 + 1 + 8 + 3 + 0 + 499 + 86 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 891194320 + ... + 891418148.

It is an arithmetic number, because the mean of its divisors is an integer number (2200553308800).

Almost surely, 2^{199500183049986} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199500183049986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281670823526400).

199500183049986 is an abundant number, since it is smaller than the sum of its proper divisors (363841464002814).

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

199500183049986 is a wasteful number, since it uses less digits than its factorization.

199500183049986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229742 (or 229736 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 72.

The spelling of 199500183049986 in words is "one hundred ninety-nine trillion, five hundred billion, one hundred eighty-three million, forty-nine thousand, nine hundred eighty-six".