16773133321 has 4 divisors (see below), whose sum is σ = 19169295232. Its totient is φ = 14376971412.

The previous prime is 16773133309. The next prime is 16773133331. The reversal of 16773133321 is 12333137761.

16773133321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 16773133321 - 2⁷ = 16773133193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16773133301) 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, 1198080945 + ... + 1198080958.

It is an arithmetic number, because the mean of its divisors is an integer number (4792323808).

Almost surely, 2^16773133321 is an apocalyptic number.

It is an amenable number.

16773133321 is a deficient number, since it is larger than the sum of its proper divisors (2396161911).

16773133321 is an equidigital number, since it uses as much as digits as its factorization.

16773133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396161910.

The product of its digits is 47628, while the sum is 37.

The spelling of 16773133321 in words is "sixteen billion, seven hundred seventy-three million, one hundred thirty-three thousand, three hundred twenty-one".