188794520228 has 12 divisors (see below), whose sum is σ = 330471159900. Its totient is φ = 94374188832.

The previous prime is 188794520197. The next prime is 188794520249. The reversal of 188794520228 is 822025497881.

It is a happy number.

188794520228 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 74626219684 + 114168300544 = 273178^2 + 337888^2 .

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, 5749403 + ... + 5782146.

It is an arithmetic number, because the mean of its divisors is an integer number (27539263325).

Almost surely, 2^188794520228 is an apocalyptic number.

It is an amenable number.

188794520228 is a deficient number, since it is larger than the sum of its proper divisors (141676639672).

188794520228 is a wasteful number, since it uses less digits than its factorization.

188794520228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535646 (or 11535644 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 188794520228 in words is "one hundred eighty-eight billion, seven hundred ninety-four million, five hundred twenty thousand, two hundred twenty-eight".