2568160861 has 8 divisors (see below), whose sum is σ = 3014366720. Its totient is φ = 2141786448.

The previous prime is 2568160849. The next prime is 2568160867. The reversal of 2568160861 is 1680618652.

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 2568160861 - 2¹³ = 2568152669 is a prime.

It is a super-2 number, since 2×2568160861² = 13190900415944522642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568160867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957581 + ... + 4958098.

It is an arithmetic number, because the mean of its divisors is an integer number (376795840).

Almost surely, 2^2568160861 is an apocalyptic number.

It is an amenable number.

2568160861 is a deficient number, since it is larger than the sum of its proper divisors (446205859).

2568160861 is an equidigital number, since it uses as much as digits as its factorization.

2568160861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9915723.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2568160861 is about 50677.0249817410. The cubic root of 2568160861 is about 1369.4328483414.

The spelling of 2568160861 in words is "two billion, five hundred sixty-eight million, one hundred sixty thousand, eight hundred sixty-one".