2205060664 has 8 divisors (see below), whose sum is σ = 4134488760. Its totient is φ = 1102530328.

The previous prime is 2205060661. The next prime is 2205060677. The reversal of 2205060664 is 4660605022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205060661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137816284 + ... + 137816299.

It is an arithmetic number, because the mean of its divisors is an integer number (516811095).

Almost surely, 2^2205060664 is an apocalyptic number.

It is an amenable number.

2205060664 is a deficient number, since it is larger than the sum of its proper divisors (1929428096).

2205060664 is a wasteful number, since it uses less digits than its factorization.

2205060664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275632589 (or 275632585 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2205060664 is about 46958.0734698518. The cubic root of 2205060664 is about 1301.5879341243.

Adding to 2205060664 its reverse (4660605022), we get a palindrome (6865665686).

The spelling of 2205060664 in words is "two billion, two hundred five million, sixty thousand, six hundred sixty-four".