1728282166 has 8 divisors (see below), whose sum is σ = 2791840464. Its totient is φ = 797668680.

The previous prime is 1728282137. The next prime is 1728282211. The reversal of 1728282166 is 6612828271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33236170 + ... + 33236221.

It is an arithmetic number, because the mean of its divisors is an integer number (348980058).

Almost surely, 2^1728282166 is an apocalyptic number.

1728282166 is a deficient number, since it is larger than the sum of its proper divisors (1063558298).

1728282166 is a wasteful number, since it uses less digits than its factorization.

1728282166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66472406.

The product of its digits is 129024, while the sum is 43.

The square root of 1728282166 is about 41572.6131726164. The cubic root of 1728282166 is about 1200.0653126489.

The spelling of 1728282166 in words is "one billion, seven hundred twenty-eight million, two hundred eighty-two thousand, one hundred sixty-six".