199242676688574 has 16 divisors (see below), whose sum is σ = 398486111507712. Its totient is φ = 66414099207768.

The previous prime is 199242676688533. The next prime is 199242676688609. The reversal of 199242676688574 is 475886676242991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28143364 + ... + 34504119.

It is an arithmetic number, because the mean of its divisors is an integer number (24905381969232).

Almost surely, 2^{199242676688574} is an apocalyptic number.

199242676688574 is an abundant number, since it is smaller than the sum of its proper divisors (199243434819138).

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

199242676688574 is a wasteful number, since it uses less digits than its factorization.

199242676688574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63177551.

The product of its digits is 17557585920, while the sum is 84.

The spelling of 199242676688574 in words is "one hundred ninety-nine trillion, two hundred forty-two billion, six hundred seventy-six million, six hundred eighty-eight thousand, five hundred seventy-four".