16166273 has 2 divisors, whose sum is σ = 16166274. Its totient is φ = 16166272.

The previous prime is 16166257. The next prime is 16166279. The reversal of 16166273 is 37266161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16056049 + 110224 = 4007^2 + 332^2 .

It is an emirp because it is prime and its reverse (37266161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16166273 - 2⁴ = 16166257 is a prime.

It is a super-2 number, since 2×16166273² = 522696765421058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16166279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8083136 + 8083137.

It is an arithmetic number, because the mean of its divisors is an integer number (8083137).

Almost surely, 2^16166273 is an apocalyptic number.

It is an amenable number.

16166273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16166273 is an equidigital number, since it uses as much as digits as its factorization.

16166273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 16166273 is about 4020.7304062819. The cubic root of 16166273 is about 252.8540821993.

The spelling of 16166273 in words is "sixteen million, one hundred sixty-six thousand, two hundred seventy-three".