16272118747225 has 36 divisors (see below), whose sum is σ = 22179848367600. Its totient is φ = 11833545724000.

The previous prime is 16272118747151. The next prime is 16272118747229. The reversal of 16272118747225 is 52274781127261.

It is not a de Polignac number, because 16272118747225 - 2¹⁵ = 16272118714457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (16272118747229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52149726 + ... + 52460824.

It is an arithmetic number, because the mean of its divisors is an integer number (616106899100).

Almost surely, 2^{16272118747225} is an apocalyptic number.

It is an amenable number.

16272118747225 is a deficient number, since it is larger than the sum of its proper divisors (5907729620375).

16272118747225 is a wasteful number, since it uses less digits than its factorization.

16272118747225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328422 (or 328406 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 55.

The spelling of 16272118747225 in words is "sixteen trillion, two hundred seventy-two billion, one hundred eighteen million, seven hundred forty-seven thousand, two hundred twenty-five".