188164122 has 16 divisors (see below), whose sum is σ = 389305440. Its totient is φ = 60558512.

The previous prime is 188164121. The next prime is 188164147. The reversal of 188164122 is 221461881.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (188164121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540528 + ... + 540875.

It is an arithmetic number, because the mean of its divisors is an integer number (24331590).

Almost surely, 2^188164122 is an apocalyptic number.

188164122 is an abundant number, since it is smaller than the sum of its proper divisors (201141318).

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

188164122 is a wasteful number, since it uses less digits than its factorization.

188164122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081437.

The product of its digits is 6144, while the sum is 33.

The square root of 188164122 is about 13717.2928087141. The cubic root of 188164122 is about 573.0320849213.

The spelling of 188164122 in words is "one hundred eighty-eight million, one hundred sixty-four thousand, one hundred twenty-two".