3244661656 has 8 divisors (see below), whose sum is σ = 6083740620. Its totient is φ = 1622330824.

The previous prime is 3244661653. The next prime is 3244661677. The reversal of 3244661656 is 6561664423.

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 (3244661653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202791346 + ... + 202791361.

Almost surely, 2^3244661656 is an apocalyptic number.

It is an amenable number.

3244661656 is a deficient number, since it is larger than the sum of its proper divisors (2839078964).

3244661656 is a wasteful number, since it uses less digits than its factorization.

3244661656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405582713 (or 405582709 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The square root of 3244661656 is about 56961.9316385953. The cubic root of 3244661656 is about 1480.4365731784.

The spelling of 3244661656 in words is "three billion, two hundred forty-four million, six hundred sixty-one thousand, six hundred fifty-six".