2016128445 has 16 divisors (see below), whose sum is σ = 3227370432. Its totient is φ = 1074746880.

The previous prime is 2016128441. The next prime is 2016128453. The reversal of 2016128445 is 5448216102.

It is a happy number.

It is not a de Polignac number, because 2016128445 - 2² = 2016128441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016128441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429 + ... + 63501.

It is an arithmetic number, because the mean of its divisors is an integer number (201710652).

Almost surely, 2^2016128445 is an apocalyptic number.

It is an amenable number.

2016128445 is a deficient number, since it is larger than the sum of its proper divisors (1211241987).

2016128445 is a wasteful number, since it uses less digits than its factorization.

2016128445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65212.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2016128445 is about 44901.3189672642. The cubic root of 2016128445 is about 1263.2987478242.

The spelling of 2016128445 in words is "two billion, sixteen million, one hundred twenty-eight thousand, four hundred forty-five".