2560066 has 8 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 1269828.

The previous prime is 2560057. The next prime is 2560087. The reversal of 2560066 is 6600652.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2560066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4786 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

2^2560066 is an apocalyptic number.

2560066 is a deficient number, since it is larger than the sum of its proper divisors (1310654).

2560066 is a wasteful number, since it uses less digits than its factorization.

2560066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2560066 is about 1600.0206248671. The cubic root of 2560066 is about 136.7992513325.

The spelling of 2560066 in words is "two million, five hundred sixty thousand, sixty-six".