16864816333 has 4 divisors (see below), whose sum is σ = 17257021408. Its totient is φ = 16472611260.

The previous prime is 16864816327. The next prime is 16864816337. The reversal of 16864816333 is 33361846861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16864816333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16864816337) 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, 196102473 + ... + 196102558.

It is an arithmetic number, because the mean of its divisors is an integer number (4314255352).

Almost surely, 2^16864816333 is an apocalyptic number.

It is an amenable number.

16864816333 is a deficient number, since it is larger than the sum of its proper divisors (392205075).

16864816333 is an equidigital number, since it uses as much as digits as its factorization.

16864816333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392205074.

The product of its digits is 1492992, while the sum is 49.

The spelling of 16864816333 in words is "sixteen billion, eight hundred sixty-four million, eight hundred sixteen thousand, three hundred thirty-three".