189524161 has 2 divisors, whose sum is σ = 189524162. Its totient is φ = 189524160.

The previous prime is 189524147. The next prime is 189524171. The reversal of 189524161 is 161425981.

189524161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100881936 + 88642225 = 10044^2 + 9415^2 .

It is a cyclic number.

It is not a de Polignac number, because 189524161 - 2⁷ = 189524033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189524161.

It is not a weakly prime, because it can be changed into another prime (189524141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94762080 + 94762081.

It is an arithmetic number, because the mean of its divisors is an integer number (94762081).

Almost surely, 2^189524161 is an apocalyptic number.

It is an amenable number.

189524161 is a deficient number, since it is larger than the sum of its proper divisors (1).

189524161 is an equidigital number, since it uses as much as digits as its factorization.

189524161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 189524161 is about 13766.7774370039. Note that the first 3 decimals coincide. The cubic root of 189524161 is about 574.4093857417.

The spelling of 189524161 in words is "one hundred eighty-nine million, five hundred twenty-four thousand, one hundred sixty-one".