16842173 has 2 divisors, whose sum is σ = 16842174. Its totient is φ = 16842172.

The previous prime is 16842167. The next prime is 16842193. The reversal of 16842173 is 37124861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 5938969 = 3302^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 16842173 - 2⁴ = 16842157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16842143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8421086 + 8421087.

It is an arithmetic number, because the mean of its divisors is an integer number (8421087).

Almost surely, 2^16842173 is an apocalyptic number.

It is an amenable number.

16842173 is a deficient number, since it is larger than the sum of its proper divisors (1).

16842173 is an equidigital number, since it uses as much as digits as its factorization.

16842173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 16842173 is about 4103.9216610457. The cubic root of 16842173 is about 256.3299629093.

The spelling of 16842173 in words is "sixteen million, eight hundred forty-two thousand, one hundred seventy-three".