111660163 has 2 divisors, whose sum is σ = 111660164. Its totient is φ = 111660162.

The previous prime is 111660139. The next prime is 111660173. The reversal of 111660163 is 361066111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111660163 is a prime.

It is not a weakly prime, because it can be changed into another prime (111660103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55830081 + 55830082.

It is an arithmetic number, because the mean of its divisors is an integer number (55830082).

Almost surely, 2^111660163 is an apocalyptic number.

111660163 is a deficient number, since it is larger than the sum of its proper divisors (1).

111660163 is an equidigital number, since it uses as much as digits as its factorization.

111660163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 111660163 is about 10566.9372573135. The cubic root of 111660163 is about 481.5404258560.

The spelling of 111660163 in words is "one hundred eleven million, six hundred sixty thousand, one hundred sixty-three".