2566016 has 16 divisors (see below), whose sum is σ = 5112240. Its totient is φ = 1282944.

The previous prime is 2566013. The next prime is 2566019. The reversal of 2566016 is 6106652.

It is an interprime number because it is at equal distance from previous prime (2566013) and next prime (2566019).

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2566016² = 13168876224512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9896 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (319515).

2^2566016 is an apocalyptic number.

It is an amenable number.

2566016 is a deficient number, since it is larger than the sum of its proper divisors (2546224).

2566016 is an equidigital number, since it uses as much as digits as its factorization.

2566016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20061 (or 20049 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2566016 is about 1601.8788967959. The cubic root of 2566016 is about 136.9051503954.

The spelling of 2566016 in words is "two million, five hundred sixty-six thousand, sixteen".