2568028161 has 8 divisors (see below), whose sum is σ = 3462510240. Its totient is φ = 1692782432.

The previous prime is 2568028157. The next prime is 2568028231. The reversal of 2568028161 is 1618208652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2568028161 - 2² = 2568028157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2568028061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4808775 + ... + 4809308.

It is an arithmetic number, because the mean of its divisors is an integer number (432813780).

It is a Proth number, since it is equal to 39185 ⋅ 2¹⁶ + 1 and 39185 < 2¹⁶.

Almost surely, 2^2568028161 is an apocalyptic number.

It is an amenable number.

2568028161 is a deficient number, since it is larger than the sum of its proper divisors (894482079).

2568028161 is an equidigital number, since it uses as much as digits as its factorization.

2568028161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618175.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 2568028161 is about 50675.7156930220. The cubic root of 2568028161 is about 1369.4092611806.

The spelling of 2568028161 in words is "two billion, five hundred sixty-eight million, twenty-eight thousand, one hundred sixty-one".