16217013282803 has 4 divisors (see below), whose sum is σ = 16374460013808. Its totient is φ = 16059566551800.

The previous prime is 16217013282797. The next prime is 16217013282919. The reversal of 16217013282803 is 30828231071261.

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 16217013282803 - 2³⁰ = 16215939540979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16217013282203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78723365348 + ... + 78723365553.

It is an arithmetic number, because the mean of its divisors is an integer number (4093615003452).

Almost surely, 2^{16217013282803} is an apocalyptic number.

16217013282803 is a deficient number, since it is larger than the sum of its proper divisors (157446731005).

16217013282803 is a wasteful number, since it uses less digits than its factorization.

16217013282803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157446731004.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 16217013282803 in words is "sixteen trillion, two hundred seventeen billion, thirteen million, two hundred eighty-two thousand, eight hundred three".