2016288761 has 4 divisors (see below), whose sum is σ = 2021367972. Its totient is φ = 2011209552.

The previous prime is 2016288751. The next prime is 2016288779. The reversal of 2016288761 is 1678826102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1500090361 + 516198400 = 38731^2 + 22720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016288761 - 2³⁰ = 942546937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016288751) 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 3 ways as a sum of consecutive naturals, for example, 2539010 + ... + 2539803.

It is an arithmetic number, because the mean of its divisors is an integer number (505341993).

Almost surely, 2^2016288761 is an apocalyptic number.

It is an amenable number.

2016288761 is a deficient number, since it is larger than the sum of its proper divisors (5079211).

2016288761 is an equidigital number, since it uses as much as digits as its factorization.

2016288761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079210.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 2016288761 is about 44903.1041354604. The cubic root of 2016288761 is about 1263.3322314108.

The spelling of 2016288761 in words is "two billion, sixteen million, two hundred eighty-eight thousand, seven hundred sixty-one".