199647986311056 has 80 divisors (see below), whose sum is σ = 546475462617600. Its totient is φ = 62591135483904.

The previous prime is 199647986311019. The next prime is 199647986311093. The reversal of 199647986311056 is 650113689746991.

It is an interprime number because it is at equal distance from previous prime (199647986311019) and next prime (199647986311093).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83838511 + ... + 86186958.

It is an arithmetic number, because the mean of its divisors is an integer number (6830943282720).

Almost surely, 2^{199647986311056} is an apocalyptic number.

199647986311056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199647986311056 is an abundant number, since it is smaller than the sum of its proper divisors (346827476306544).

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

199647986311056 is a wasteful number, since it uses less digits than its factorization.

199647986311056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170026936 (or 170026930 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 75.

The spelling of 199647986311056 in words is "one hundred ninety-nine trillion, six hundred forty-seven billion, nine hundred eighty-six million, three hundred eleven thousand, fifty-six".