199774966986072 has 192 divisors, whose sum is σ = 590316282410400. Its totient is φ = 63211590466560.

The previous prime is 199774966986071. The next prime is 199774966986079. The reversal of 199774966986072 is 270689669477991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199774966986071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30922047 + ... + 36820142.

Almost surely, 2^{199774966986072} is an apocalyptic number.

199774966986072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199774966986072 is an abundant number, since it is smaller than the sum of its proper divisors (390541315424328).

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

199774966986072 is a wasteful number, since it uses less digits than its factorization.

199774966986072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67742288 (or 67742272 counting only the distinct ones).

The product of its (nonzero) digits is 31109847552, while the sum is 90.

The spelling of 199774966986072 in words is "one hundred ninety-nine trillion, seven hundred seventy-four billion, nine hundred sixty-six million, nine hundred eighty-six thousand, seventy-two".