111660204163 has 2 divisors, whose sum is σ = 111660204164. Its totient is φ = 111660204162.

The previous prime is 111660204157. The next prime is 111660204181. The reversal of 111660204163 is 361402066111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111660204163 - 2³³ = 103070269571 is a prime.

It is not a weakly prime, because it can be changed into another prime (111660204193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55830102081 + 55830102082.

It is an arithmetic number, because the mean of its divisors is an integer number (55830102082).

Almost surely, 2^111660204163 is an apocalyptic number.

111660204163 is a deficient number, since it is larger than the sum of its proper divisors (1).

111660204163 is an equidigital number, since it uses as much as digits as its factorization.

111660204163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 111660204163 in words is "one hundred eleven billion, six hundred sixty million, two hundred four thousand, one hundred sixty-three".