16722273266 has 16 divisors (see below), whose sum is σ = 25202631168. Its totient is φ = 8321438400.

The previous prime is 16722273263. The next prime is 16722273341. The reversal of 16722273266 is 66237222761.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16722273263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869171 + ... + 888201.

It is an arithmetic number, because the mean of its divisors is an integer number (1575164448).

Almost surely, 2^16722273266 is an apocalyptic number.

16722273266 is a deficient number, since it is larger than the sum of its proper divisors (8480357902).

16722273266 is a wasteful number, since it uses less digits than its factorization.

16722273266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21097.

The product of its digits is 508032, while the sum is 44.

The spelling of 16722273266 in words is "sixteen billion, seven hundred twenty-two million, two hundred seventy-three thousand, two hundred sixty-six".