188223028352 has 72 divisors (see below), whose sum is σ = 387775223505. Its totient is φ = 91002032640.

The previous prime is 188223028351. The next prime is 188223028393. The reversal of 188223028352 is 253820322881.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 175038477376 + 13184550976 = 418376^2 + 114824^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=306776.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188223028351) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 152160278 + ... + 152161514.

Almost surely, 2^188223028352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188223028352

188223028352 is an abundant number, since it is smaller than the sum of its proper divisors (199552195153).

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

188223028352 is an frugal number, since it uses more digits than its factorization.

188223028352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 188223028352 in words is "one hundred eighty-eight billion, two hundred twenty-three million, twenty-eight thousand, three hundred fifty-two".