16500002 has 16 divisors (see below), whose sum is σ = 25539192. Its totient is φ = 7989120.

The previous prime is 16499963. The next prime is 16500007. The reversal of 16500002 is 20000561.

It can be written as a sum of positive squares in 4 ways, for example, as 15437041 + 1062961 = 3929^2 + 1031^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16500002.

It is not an unprimeable number, because it can be changed into a prime (16500007) 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 7 ways as a sum of consecutive naturals, for example, 21302 + ... + 22062.

Almost surely, 2^16500002 is an apocalyptic number.

16500002 is a deficient number, since it is larger than the sum of its proper divisors (9039190).

16500002 is a wasteful number, since it uses less digits than its factorization.

16500002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

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

The square root of 16500002 is about 4062.0194485010. The cubic root of 16500002 is about 254.5821787691.

Adding to 16500002 its reverse (20000561), we get a palindrome (36500563).

The spelling of 16500002 in words is "sixteen million, five hundred thousand, two".