16227272775 has 48 divisors (see below), whose sum is σ = 30705177600. Its totient is φ = 7407692160.

The previous prime is 16227272773. The next prime is 16227272783. The reversal of 16227272775 is 57727272261.

It is not a de Polignac number, because 16227272775 - 2¹ = 16227272773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16227272773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355981 + ... + 398969.

It is an arithmetic number, because the mean of its divisors is an integer number (639691200).

Almost surely, 2^16227272775 is an apocalyptic number.

16227272775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16227272775 is a deficient number, since it is larger than the sum of its proper divisors (14477904825).

16227272775 is a wasteful number, since it uses less digits than its factorization.

16227272775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43728 (or 43723 counting only the distinct ones).

The product of its digits is 1152480, while the sum is 48.

The spelling of 16227272775 in words is "sixteen billion, two hundred twenty-seven million, two hundred seventy-two thousand, seven hundred seventy-five".