16703216517203 has 4 divisors (see below), whose sum is σ = 16751076736800. Its totient is φ = 16655356297608.

The previous prime is 16703216517161. The next prime is 16703216517307. The reversal of 16703216517203 is 30271561230761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16703216517203 - 2²⁰ = 16703215468627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16703216517103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23930109275 + ... + 23930109972.

It is an arithmetic number, because the mean of its divisors is an integer number (4187769184200).

Almost surely, 2^{16703216517203} is an apocalyptic number.

16703216517203 is a deficient number, since it is larger than the sum of its proper divisors (47860219597).

16703216517203 is an equidigital number, since it uses as much as digits as its factorization.

16703216517203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47860219596.

The product of its (nonzero) digits is 317520, while the sum is 44.

Adding to 16703216517203 its reverse (30271561230761), we get a palindrome (46974777747964).

The spelling of 16703216517203 in words is "sixteen trillion, seven hundred three billion, two hundred sixteen million, five hundred seventeen thousand, two hundred three".