16773222253 has 4 divisors (see below), whose sum is σ = 16792886908. Its totient is φ = 16753557600.

The previous prime is 16773222229. The next prime is 16773222289. The reversal of 16773222253 is 35222237761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2024820004 + 14748402249 = 44998^2 + 121443^2 .

It is a cyclic number.

It is not a de Polignac number, because 16773222253 - 2⁹ = 16773221741 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 (16773622253) 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, 9831048 + ... + 9832753.

It is an arithmetic number, because the mean of its divisors is an integer number (4198221727).

Almost surely, 2^16773222253 is an apocalyptic number.

It is an amenable number.

16773222253 is a deficient number, since it is larger than the sum of its proper divisors (19664655).

16773222253 is an equidigital number, since it uses as much as digits as its factorization.

16773222253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19664654.

The product of its digits is 211680, while the sum is 40.

The spelling of 16773222253 in words is "sixteen billion, seven hundred seventy-three million, two hundred twenty-two thousand, two hundred fifty-three".