16300066 has 4 divisors (see below), whose sum is σ = 24450102. Its totient is φ = 8150032.

The previous prime is 16300061. The next prime is 16300099. The reversal of 16300066 is 66000361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8874441 + 7425625 = 2979^2 + 2725^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16300061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075015 + ... + 4075018.

Almost surely, 2^16300066 is an apocalyptic number.

16300066 is a deficient number, since it is larger than the sum of its proper divisors (8150036).

16300066 is an equidigital number, since it uses as much as digits as its factorization.

16300066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150035.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 16300066 is about 4037.3340213562. The cubic root of 16300066 is about 253.5497116399.

The spelling of 16300066 in words is "sixteen million, three hundred thousand, sixty-six".