16227371552 has 54 divisors (see below), whose sum is σ = 37175134437. Its totient is φ = 6952425984.

The previous prime is 16227371551. The next prime is 16227371581. The reversal of 16227371552 is 25517372261.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 12942247696 + 3285123856 = 113764^2 + 57316^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90076.

It is not an unprimeable number, because it can be changed into a prime (16227371551) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5042648 + ... + 5045864.

Almost surely, 2^16227371552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16227371552

16227371552 is an abundant number, since it is smaller than the sum of its proper divisors (20947762885).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16227371552 is an frugal number, since it uses more digits than its factorization.

16227371552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458 (or 3226 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The spelling of 16227371552 in words is "sixteen billion, two hundred twenty-seven million, three hundred seventy-one thousand, five hundred fifty-two".