2655216 has 30 divisors (see below), whose sum is σ = 7431320. Its totient is φ = 885024.

The previous prime is 2655209. The next prime is 2655217. The reversal of 2655216 is 6125562.

2655216 is a `hidden beast` number, since 2 + 655 + 2 + 1 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2655216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9076 + ... + 9363.

2^2655216 is an apocalyptic number.

It is an amenable number.

2655216 is an abundant number, since it is smaller than the sum of its proper divisors (4776104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2655216 is a wasteful number, since it uses less digits than its factorization.

2655216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18453 (or 18444 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2655216 is about 1629.4833537045. The cubic root of 2655216 is about 138.4734838697.

The spelling of 2655216 in words is "two million, six hundred fifty-five thousand, two hundred sixteen".