16512116203 has 8 divisors (see below), whose sum is σ = 18043196976. Its totient is φ = 14986032000.

The previous prime is 16512116177. The next prime is 16512116221. The reversal of 16512116203 is 30261121561.

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

It is a cyclic number.

It is not a de Polignac number, because 16512116203 - 2⁵ = 16512116171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16512116273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242226 + ... + 1255447.

It is an arithmetic number, because the mean of its divisors is an integer number (2255399622).

Almost surely, 2^16512116203 is an apocalyptic number.

16512116203 is a deficient number, since it is larger than the sum of its proper divisors (1531080773).

16512116203 is a wasteful number, since it uses less digits than its factorization.

16512116203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498285.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 16512116203 its reverse (30261121561), we get a palindrome (46773237764).

The spelling of 16512116203 in words is "sixteen billion, five hundred twelve million, one hundred sixteen thousand, two hundred three".