166002103 has 2 divisors, whose sum is σ = 166002104. Its totient is φ = 166002102.

The previous prime is 166002101. The next prime is 166002121. The reversal of 166002103 is 301200661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166002103 - 2¹ = 166002101 is a prime.

Together with 166002101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83001051 + 83001052.

It is an arithmetic number, because the mean of its divisors is an integer number (83001052).

Almost surely, 2^166002103 is an apocalyptic number.

166002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

166002103 is an equidigital number, since it uses as much as digits as its factorization.

166002103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 166002103 is about 12884.1803386944. The cubic root of 166002103 is about 549.5887868438.

Adding to 166002103 its reverse (301200661), we get a palindrome (467202764).

The spelling of 166002103 in words is "one hundred sixty-six million, two thousand, one hundred three".