188818241 has 12 divisors (see below), whose sum is σ = 198365652. Its totient is φ = 179676000.

The previous prime is 188818229. The next prime is 188818271. The reversal of 188818241 is 142818881.

It can be written as a sum of positive squares in 2 ways, for example, as 64963600 + 123854641 = 8060^2 + 11129^2 .

It is not a de Polignac number, because 188818241 - 2¹⁴ = 188801857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (188818271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57011 + ... + 60231.

It is an arithmetic number, because the mean of its divisors is an integer number (16530471).

Almost surely, 2^188818241 is an apocalyptic number.

It is an amenable number.

188818241 is a deficient number, since it is larger than the sum of its proper divisors (9547411).

188818241 is an equidigital number, since it uses as much as digits as its factorization.

188818241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344 (or 3313 counting only the distinct ones).

The product of its digits is 32768, while the sum is 41.

The square root of 188818241 is about 13741.1149838723. The cubic root of 188818241 is about 573.6953315642.

The spelling of 188818241 in words is "one hundred eighty-eight million, eight hundred eighteen thousand, two hundred forty-one".