16722271267 has 16 divisors (see below), whose sum is σ = 18098029152. Its totient is φ = 15359477760.

The previous prime is 16722271243. The next prime is 16722271303. The reversal of 16722271267 is 76217222761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16722271267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16722271207) 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, 2393283 + ... + 2400259.

It is an arithmetic number, because the mean of its divisors is an integer number (1131126822).

Almost surely, 2^16722271267 is an apocalyptic number.

16722271267 is a deficient number, since it is larger than the sum of its proper divisors (1375757885).

16722271267 is a wasteful number, since it uses less digits than its factorization.

16722271267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878.

The product of its digits is 197568, while the sum is 43.

The spelling of 16722271267 in words is "sixteen billion, seven hundred twenty-two million, two hundred seventy-one thousand, two hundred sixty-seven".