2566466 has 8 divisors (see below), whose sum is σ = 4399680. Its totient is φ = 1099908.

The previous prime is 2566433. The next prime is 2566469. The reversal of 2566466 is 6646652.

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

It is not an unprimeable number, because it can be changed into a prime (2566469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91646 + ... + 91673.

It is an arithmetic number, because the mean of its divisors is an integer number (549960).

2^2566466 is an apocalyptic number.

2566466 is a deficient number, since it is larger than the sum of its proper divisors (1833214).

2566466 is a wasteful number, since it uses less digits than its factorization.

2566466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183328.

The product of its digits is 51840, while the sum is 35.

The square root of 2566466 is about 1602.0193506946. The cubic root of 2566466 is about 136.9131529068.

It can be divided in two parts, 256646 and 6, that added together give a palindrome (256652).

The spelling of 2566466 in words is "two million, five hundred sixty-six thousand, four hundred sixty-six".