16328066 has 4 divisors (see below), whose sum is σ = 24492102. Its totient is φ = 8164032.

The previous prime is 16328057. The next prime is 16328069. The reversal of 16328066 is 66082361.

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., 15721225 + 606841 = 3965^2 + 779^2 .

It is not an unprimeable number, because it can be changed into a prime (16328069) 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, 4082015 + ... + 4082018.

Almost surely, 2^16328066 is an apocalyptic number.

16328066 is a deficient number, since it is larger than the sum of its proper divisors (8164036).

16328066 is an equidigital number, since it uses as much as digits as its factorization.

16328066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164035.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16328066 is about 4040.8001682835. The cubic root of 16328066 is about 253.6948098402.

The spelling of 16328066 in words is "sixteen million, three hundred twenty-eight thousand, sixty-six".