166000103 has 4 divisors (see below), whose sum is σ = 170048928. Its totient is φ = 161951280.

The previous prime is 166000097. The next prime is 166000111. The reversal of 166000103 is 301000661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166000103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166000403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024351 + ... + 2024432.

It is an arithmetic number, because the mean of its divisors is an integer number (42512232).

Almost surely, 2^166000103 is an apocalyptic number.

166000103 is a deficient number, since it is larger than the sum of its proper divisors (4048825).

166000103 is an equidigital number, since it uses as much as digits as its factorization.

166000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048824.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 166000103 is about 12884.1027238997. The cubic root of 166000103 is about 549.5865796790.

Adding to 166000103 its reverse (301000661), we get a palindrome (467000764).

The spelling of 166000103 in words is "one hundred sixty-six million, one hundred three", and thus it is an aban number.