16213032006503 has 8 divisors (see below), whose sum is σ = 16235101225200. Its totient is φ = 16190976212928.

The previous prime is 16213032006433. The next prime is 16213032006529. The reversal of 16213032006503 is 30560023031261.

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 16213032006503 - 2¹⁶ = 16213031940967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16213032006503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213032006593) 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, 938126 + ... + 5771147.

It is an arithmetic number, because the mean of its divisors is an integer number (2029387653150).

Almost surely, 2^{16213032006503} is an apocalyptic number.

16213032006503 is a deficient number, since it is larger than the sum of its proper divisors (22069218697).

16213032006503 is a wasteful number, since it uses less digits than its factorization.

16213032006503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712561.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 16213032006503 its reverse (30560023031261), we get a palindrome (46773055037764).

The spelling of 16213032006503 in words is "sixteen trillion, two hundred thirteen billion, thirty-two million, six thousand, five hundred three".