2600066 has 16 divisors (see below), whose sum is σ = 4482240. Its totient is φ = 1108080.

The previous prime is 2600057. The next prime is 2600089. The reversal of 2600066 is 6600062.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (280140).

2^2600066 is an apocalyptic number.

2600066 is a deficient number, since it is larger than the sum of its proper divisors (1882174).

2600066 is a wasteful number, since it uses less digits than its factorization.

2600066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2600066 is about 1612.4720152610. The cubic root of 2600066 is about 137.5080502174.

The spelling of 2600066 in words is "two million, six hundred thousand, sixty-six".