16227027849 has 4 divisors (see below), whose sum is σ = 21636037136. Its totient is φ = 10818018564.

The previous prime is 16227027821. The next prime is 16227027853. The reversal of 16227027849 is 94872072261.

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 not a de Polignac number, because 16227027849 - 2⁷ = 16227027721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16227027798 and 16227027807.

It is not an unprimeable number, because it can be changed into a prime (16227027449) 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, 2704504639 + ... + 2704504644.

It is an arithmetic number, because the mean of its divisors is an integer number (5409009284).

Almost surely, 2^16227027849 is an apocalyptic number.

It is an amenable number.

16227027849 is a deficient number, since it is larger than the sum of its proper divisors (5409009287).

16227027849 is an equidigital number, since it uses as much as digits as its factorization.

16227027849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409009286.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 16227027849 in words is "sixteen billion, two hundred twenty-seven million, twenty-seven thousand, eight hundred forty-nine".