16520108 has 12 divisors (see below), whose sum is σ = 31538472. Its totient is φ = 7509120.

The previous prime is 16520099. The next prime is 16520137. The reversal of 16520108 is 80102561.

It is an unprimeable number.

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, 187685 + ... + 187772.

It is an arithmetic number, because the mean of its divisors is an integer number (2628206).

Almost surely, 2^16520108 is an apocalyptic number.

It is an amenable number.

16520108 is a deficient number, since it is larger than the sum of its proper divisors (15018364).

16520108 is a wasteful number, since it uses less digits than its factorization.

16520108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375472 (or 375470 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 16520108 is about 4064.4935723900. The cubic root of 16520108 is about 254.6855434354.

Adding to 16520108 its reverse (80102561), we get a palindrome (96622669).

The spelling of 16520108 in words is "sixteen million, five hundred twenty thousand, one hundred eight".