188814163 has 2 divisors, whose sum is σ = 188814164. Its totient is φ = 188814162.

The previous prime is 188814139. The next prime is 188814169. The reversal of 188814163 is 361418881.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188814163 is a prime.

It is not a weakly prime, because it can be changed into another prime (188814169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94407081 + 94407082.

It is an arithmetic number, because the mean of its divisors is an integer number (94407082).

Almost surely, 2^188814163 is an apocalyptic number.

188814163 is a deficient number, since it is larger than the sum of its proper divisors (1).

188814163 is an equidigital number, since it uses as much as digits as its factorization.

188814163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 40.

The square root of 188814163 is about 13740.9665962770. The cubic root of 188814163 is about 573.6912014081.

The spelling of 188814163 in words is "one hundred eighty-eight million, eight hundred fourteen thousand, one hundred sixty-three".