2655816890 has 16 divisors (see below), whose sum is σ = 4826884608. Its totient is φ = 1052012496.

The previous prime is 2655816853. The next prime is 2655816893. The reversal of 2655816890 is 986185562.

2655816890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2655816893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288202 + ... + 1290261.

It is an arithmetic number, because the mean of its divisors is an integer number (301680288).

Almost surely, 2^2655816890 is an apocalyptic number.

2655816890 is a deficient number, since it is larger than the sum of its proper divisors (2171067718).

2655816890 is a wasteful number, since it uses less digits than its factorization.

2655816890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578573.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The square root of 2655816890 is about 51534.6183647458. The cubic root of 2655816890 is about 1384.8392885242.

The spelling of 2655816890 in words is "two billion, six hundred fifty-five million, eight hundred sixteen thousand, eight hundred ninety".