3265645660 has 24 divisors (see below), whose sum is σ = 6960214800. Its totient is φ = 1286761344.

The previous prime is 3265645657. The next prime is 3265645661. The reversal of 3265645660 is 665465623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3265645661) 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, 1217185 + ... + 1219864.

It is an arithmetic number, because the mean of its divisors is an integer number (290008950).

Almost surely, 2^3265645660 is an apocalyptic number.

It is an amenable number.

3265645660 is an abundant number, since it is smaller than the sum of its proper divisors (3694569140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3265645660 is a wasteful number, since it uses less digits than its factorization.

3265645660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437125 (or 2437123 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The square root of 3265645660 is about 57145.8280192001. The cubic root of 3265645660 is about 1483.6211638001.

The spelling of 3265645660 in words is "three billion, two hundred sixty-five million, six hundred forty-five thousand, six hundred sixty".