16985338233 has 16 divisors (see below), whose sum is σ = 22916759040. Its totient is φ = 11188907136.

The previous prime is 16985338217. The next prime is 16985338243. The reversal of 16985338233 is 33283358961.

It is not a de Polignac number, because 16985338233 - 2⁴ = 16985338217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16985338243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398091 + ... + 438687.

It is an arithmetic number, because the mean of its divisors is an integer number (1432297440).

Almost surely, 2^16985338233 is an apocalyptic number.

It is an amenable number.

16985338233 is a deficient number, since it is larger than the sum of its proper divisors (5931420807).

16985338233 is a wasteful number, since it uses less digits than its factorization.

16985338233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42256.

The product of its digits is 2799360, while the sum is 51.

The spelling of 16985338233 in words is "sixteen billion, nine hundred eighty-five million, three hundred thirty-eight thousand, two hundred thirty-three".