2655663 has 8 divisors (see below), whose sum is σ = 3548976. Its totient is φ = 1766400.

The previous prime is 2655661. The next prime is 2655691. The reversal of 2655663 is 3665562.

2655663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2655663 - 2¹ = 2655661 is a prime.

Its product of digits (32400) is a multiple of the sum of its prime divisors (2025).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655661) 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 7 ways as a sum of consecutive naturals, for example, 1233 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (443622).

2^2655663 is an apocalyptic number.

2655663 is a deficient number, since it is larger than the sum of its proper divisors (893313).

2655663 is a wasteful number, since it uses less digits than its factorization.

2655663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its digits is 32400, while the sum is 33.

The square root of 2655663 is about 1629.6205079711. The cubic root of 2655663 is about 138.4812540064.

The spelling of 2655663 in words is "two million, six hundred fifty-five thousand, six hundred sixty-three".