2566136 has 8 divisors (see below), whose sum is σ = 4811520. Its totient is φ = 1283064.

The previous prime is 2566129. The next prime is 2566139. The reversal of 2566136 is 6316652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2566099 and 2566108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160376 + ... + 160391.

It is an arithmetic number, because the mean of its divisors is an integer number (601440).

2^2566136 is an apocalyptic number.

It is an amenable number.

2566136 is a deficient number, since it is larger than the sum of its proper divisors (2245384).

2566136 is a wasteful number, since it uses less digits than its factorization.

2566136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320773 (or 320769 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 2566136 is about 1601.9163523730. The cubic root of 2566136 is about 136.9072844899.

The spelling of 2566136 in words is "two million, five hundred sixty-six thousand, one hundred thirty-six".