16500430116 has 81 divisors (see below), whose sum is σ = 42400528443. Its totient is φ = 5410482480.

The previous prime is 16500430081. The next prime is 16500430123. The reversal of 16500430116 is 61103400561.

The square root of 16500430116 is 128454.

It is a perfect power (a square), and thus also a powerful number.

16500430116 is a `hidden beast` number, since 1 + 6 + 500 + 43 + 0 + 116 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16500430116.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 60887061 + ... + 60887331.

Almost surely, 2^16500430116 is an apocalyptic number.

16500430116 is the 128454-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16500430116

16500430116 is an abundant number, since it is smaller than the sum of its proper divisors (25900098327).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16500430116 is an equidigital number, since it uses as much as digits as its factorization.

16500430116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 16500430116 its reverse (61103400561), we get a palindrome (77603830677).

The spelling of 16500430116 in words is "sixteen billion, five hundred million, four hundred thirty thousand, one hundred sixteen".