16227272789 has 8 divisors (see below), whose sum is σ = 19972028160. Its totient is φ = 12839160816.

The previous prime is 16227272783. The next prime is 16227272849. The reversal of 16227272789 is 98727272261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16227272789 - 2⁴ = 16227272773 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16227272789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16227272783) 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, 89160749 + ... + 89160930.

It is an arithmetic number, because the mean of its divisors is an integer number (2496503520).

Almost surely, 2^16227272789 is an apocalyptic number.

It is an amenable number.

16227272789 is a deficient number, since it is larger than the sum of its proper divisors (3744755371).

16227272789 is a wasteful number, since it uses less digits than its factorization.

16227272789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178321699.

The product of its digits is 2370816, while the sum is 53.

The spelling of 16227272789 in words is "sixteen billion, two hundred twenty-seven million, two hundred seventy-two thousand, seven hundred eighty-nine".