2667663 has 12 divisors (see below), whose sum is σ = 3957928. Its totient is φ = 1730160.

The previous prime is 2667659. The next prime is 2667667. The reversal of 2667663 is 3667662.

2667663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2667659) and next prime (2667667).

It is not a de Polignac number, because 2667663 - 2² = 2667659 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 (2667667) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3673 + ... + 4338.

2^2667663 is an apocalyptic number.

2667663 is a deficient number, since it is larger than the sum of its proper divisors (1290265).

2667663 is a wasteful number, since it uses less digits than its factorization.

2667663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054 (or 8051 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 2667663 is about 1633.2981969010. The cubic root of 2667663 is about 138.6895231934.

Subtracting 2667663 from its reverse (3667662), we obtain a palindrome (999999).

The spelling of 2667663 in words is "two million, six hundred sixty-seven thousand, six hundred sixty-three".