2655521564 has 24 divisors (see below), whose sum is σ = 4686595200. Its totient is φ = 1316537840.

The previous prime is 2655521551. The next prime is 2655521581. The reversal of 2655521564 is 4651255562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251879 + ... + 262209.

It is an arithmetic number, because the mean of its divisors is an integer number (195274800).

Almost surely, 2^2655521564 is an apocalyptic number.

It is an amenable number.

2655521564 is a deficient number, since it is larger than the sum of its proper divisors (2031073636).

2655521564 is a wasteful number, since it uses less digits than its factorization.

2655521564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873 (or 10871 counting only the distinct ones).

The product of its digits is 360000, while the sum is 41.

The square root of 2655521564 is about 51531.7529684368. The cubic root of 2655521564 is about 1384.7879553908.

The spelling of 2655521564 in words is "two billion, six hundred fifty-five million, five hundred twenty-one thousand, five hundred sixty-four".