2064756655 has 24 divisors (see below), whose sum is σ = 2694360240. Its totient is φ = 1518266880.

The previous prime is 2064756613. The next prime is 2064756677. The reversal of 2064756655 is 5566574602.

It is not a de Polignac number, because 2064756655 - 2⁷ = 2064756527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198576 + ... + 208714.

It is an arithmetic number, because the mean of its divisors is an integer number (112265010).

Almost surely, 2^2064756655 is an apocalyptic number.

2064756655 is a deficient number, since it is larger than the sum of its proper divisors (629603585).

2064756655 is a wasteful number, since it uses less digits than its factorization.

2064756655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10411 (or 10398 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The square root of 2064756655 is about 45439.5934730935. The cubic root of 2064756655 is about 1273.3749189581.

The spelling of 2064756655 in words is "two billion, sixty-four million, seven hundred fifty-six thousand, six hundred fifty-five".