16005002 has 8 divisors (see below), whose sum is σ = 25854276. Its totient is φ = 7386912.

The previous prime is 16005001. The next prime is 16005019. The reversal of 16005002 is 20050061.

It can be written as a sum of positive squares in 2 ways, for example, as 15062161 + 942841 = 3881^2 + 971^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16005001) 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, 307763 + ... + 307814.

Almost surely, 2^16005002 is an apocalyptic number.

16005002 is a deficient number, since it is larger than the sum of its proper divisors (9849274).

16005002 is a wasteful number, since it uses less digits than its factorization.

16005002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615592.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 16005002 is about 4000.6252011404. The cubic root of 16005002 is about 252.0104660976.

Adding to 16005002 its reverse (20050061), we get a palindrome (36055063).

The spelling of 16005002 in words is "sixteen million, five thousand, two".