16520104416850 has 48 divisors (see below), whose sum is σ = 32589204336000. Its totient is φ = 6208950375680.

The previous prime is 16520104416847. The next prime is 16520104416877. The reversal of 16520104416850 is 5861440102561.

It is a junction number, because it is equal to n+sod(n) for n = 16520104416797 and 16520104416806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15714070 + ... + 16732369.

It is an arithmetic number, because the mean of its divisors is an integer number (678941757000).

Almost surely, 2^{16520104416850} is an apocalyptic number.

16520104416850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16520104416850 is a deficient number, since it is larger than the sum of its proper divisors (16069099919150).

16520104416850 is a wasteful number, since it uses less digits than its factorization.

16520104416850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32447067 (or 32447062 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 16520104416850 in words is "sixteen trillion, five hundred twenty billion, one hundred four million, four hundred sixteen thousand, eight hundred fifty".