2666063 has 4 divisors (see below), whose sum is σ = 2673408. Its totient is φ = 2658720.

The previous prime is 2666051. The next prime is 2666071. The reversal of 2666063 is 3606662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2666063 - 2¹⁴ = 2649679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666663) 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, 3098 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (668352).

2^2666063 is an apocalyptic number.

2666063 is a deficient number, since it is larger than the sum of its proper divisors (7345).

2666063 is an equidigital number, since it uses as much as digits as its factorization.

2666063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2666063 is about 1632.8083169803. The cubic root of 2666063 is about 138.6617901032.

The spelling of 2666063 in words is "two million, six hundred sixty-six thousand, sixty-three".