188054221047 has 32 divisors (see below), whose sum is σ = 315477634560. Its totient is φ = 96794248320.

The previous prime is 188054221031. The next prime is 188054221067. The reversal of 188054221047 is 740122450881.

It is not a de Polignac number, because 188054221047 - 2⁴ = 188054221031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188054221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3709168 + ... + 3759525.

It is an arithmetic number, because the mean of its divisors is an integer number (9858676080).

Almost surely, 2^188054221047 is an apocalyptic number.

188054221047 is a deficient number, since it is larger than the sum of its proper divisors (127423413513).

188054221047 is a wasteful number, since it uses less digits than its factorization.

188054221047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468823.

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 188054221047 in words is "one hundred eighty-eight billion, fifty-four million, two hundred twenty-one thousand, forty-seven".