188850005018 has 8 divisors (see below), whose sum is σ = 285079307412. Its totient is φ = 93823569216.

The previous prime is 188850005017. The next prime is 188850005027. The reversal of 188850005018 is 810500058881.

188850005018 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 174150139969 + 14699865049 = 417313^2 + 121243^2 .

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 188850005018.

It is not an unprimeable number, because it can be changed into a prime (188850005017) by changing a digit.

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, 300716255 + ... + 300716882.

Almost surely, 2^188850005018 is an apocalyptic number.

188850005018 is a deficient number, since it is larger than the sum of its proper divisors (96229302394).

188850005018 is a wasteful number, since it uses less digits than its factorization.

188850005018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601433296.

The product of its (nonzero) digits is 102400, while the sum is 44.

The spelling of 188850005018 in words is "one hundred eighty-eight billion, eight hundred fifty million, five thousand, eighteen".