2605664632 has 8 divisors (see below), whose sum is σ = 4885621200. Its totient is φ = 1302832312.

The previous prime is 2605664623. The next prime is 2605664657. The reversal of 2605664632 is 2364665062.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162854032 + ... + 162854047.

It is an arithmetic number, because the mean of its divisors is an integer number (610702650).

Almost surely, 2^2605664632 is an apocalyptic number.

It is an amenable number.

2605664632 is a deficient number, since it is larger than the sum of its proper divisors (2279956568).

2605664632 is a wasteful number, since it uses less digits than its factorization.

2605664632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325708085 (or 325708081 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 2605664632 is about 51045.7112008443. The cubic root of 2605664632 is about 1376.0667656783.

The spelling of 2605664632 in words is "two billion, six hundred five million, six hundred sixty-four thousand, six hundred thirty-two".