166054103 has 2 divisors, whose sum is σ = 166054104. Its totient is φ = 166054102.

The previous prime is 166054081. The next prime is 166054111. The reversal of 166054103 is 301450661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166054103 - 2⁸ = 166053847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166054123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83027051 + 83027052.

It is an arithmetic number, because the mean of its divisors is an integer number (83027052).

Almost surely, 2^166054103 is an apocalyptic number.

166054103 is a deficient number, since it is larger than the sum of its proper divisors (1).

166054103 is an equidigital number, since it uses as much as digits as its factorization.

166054103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 166054103 is about 12886.1981592710. The cubic root of 166054103 is about 549.6461669067.

The spelling of 166054103 in words is "one hundred sixty-six million, fifty-four thousand, one hundred three".