2660266 has 32 divisors (see below), whose sum is σ = 4901760. Its totient is φ = 1057536.

The previous prime is 2660237. The next prime is 2660291. The reversal of 2660266 is 6620662.

2660266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19350 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (153180).

2^2660266 is an apocalyptic number.

2660266 is a deficient number, since it is larger than the sum of its proper divisors (2241494).

2660266 is a wasteful number, since it uses less digits than its factorization.

2660266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2660266 is about 1631.0321885236. The cubic root of 2660266 is about 138.5612166229.

It can be divided in two parts, 2660 and 266, that added together give a triangular number (2926 = T₇₆).

The spelling of 2660266 in words is "two million, six hundred sixty thousand, two hundred sixty-six".