2668263 has 16 divisors (see below), whose sum is σ = 3956736. Its totient is φ = 1588320.

The previous prime is 2668249. The next prime is 2668271. The reversal of 2668263 is 3628662.

It is not a de Polignac number, because 2668263 - 2⁴ = 2668247 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 6 + 8⁷ + 2¹⁹ + 6⁶ + 3³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668213) 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 in 15 ways as a sum of consecutive naturals, for example, 106 + ... + 2312.

It is an arithmetic number, because the mean of its divisors is an integer number (247296).

2^2668263 is an apocalyptic number.

2668263 is a deficient number, since it is larger than the sum of its proper divisors (1288473).

2668263 is a wasteful number, since it uses less digits than its factorization.

2668263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its digits is 20736, while the sum is 33.

The square root of 2668263 is about 1633.4818639948. The cubic root of 2668263 is about 138.6999202433.

The spelling of 2668263 in words is "two million, six hundred sixty-eight thousand, two hundred sixty-three".