2866161 has 8 divisors (see below), whose sum is σ = 3886560. Its totient is φ = 1878272.

The previous prime is 2866159. The next prime is 2866163. The reversal of 2866161 is 1616682.

It is an interprime number because it is at equal distance from previous prime (2866159) and next prime (2866163).

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 2866161 - 2¹ = 2866159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2866163) 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, 7920 + ... + 8273.

It is an arithmetic number, because the mean of its divisors is an integer number (485820).

2^2866161 is an apocalyptic number.

It is an amenable number.

2866161 is a deficient number, since it is larger than the sum of its proper divisors (1020399).

2866161 is a wasteful number, since it uses less digits than its factorization.

2866161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255.

The product of its digits is 3456, while the sum is 30.

The square root of 2866161 is about 1692.9740104325. The cubic root of 2866161 is about 142.0474780073.

The spelling of 2866161 in words is "two million, eight hundred sixty-six thousand, one hundred sixty-one".