16566082 has 8 divisors (see below), whose sum is σ = 26760636. Its totient is φ = 7645872.

The previous prime is 16566073. The next prime is 16566083. The reversal of 16566082 is 28066561.

It can be written as a sum of positive squares in 2 ways, for example, as 16475481 + 90601 = 4059^2 + 301^2 .

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16566083) 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 in 3 ways as a sum of consecutive naturals, for example, 318553 + ... + 318604.

Almost surely, 2^16566082 is an apocalyptic number.

16566082 is a deficient number, since it is larger than the sum of its proper divisors (10194554).

16566082 is a wasteful number, since it uses less digits than its factorization.

16566082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637172.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 16566082 is about 4070.1452062549. The cubic root of 16566082 is about 254.9215803973.

The spelling of 16566082 in words is "sixteen million, five hundred sixty-six thousand, eighty-two".