188676819994 has 8 divisors (see below), whose sum is σ = 304785632340. Its totient is φ = 87081609216.

The previous prime is 188676819979. The next prime is 188676820001. The reversal of 188676819994 is 499918676881.

188676819994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 159157113025 + 29519706969 = 398945^2 + 171813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 188676819994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3628400359 + ... + 3628400410.

Almost surely, 2^188676819994 is an apocalyptic number.

188676819994 is a deficient number, since it is larger than the sum of its proper divisors (116108812346).

188676819994 is a wasteful number, since it uses less digits than its factorization.

188676819994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7256800784.

The product of its digits is 376233984, while the sum is 76.

The spelling of 188676819994 in words is "one hundred eighty-eight billion, six hundred seventy-six million, eight hundred nineteen thousand, nine hundred ninety-four".