3580645668 has 12 divisors (see below), whose sum is σ = 8354839920. Its totient is φ = 1193548552.

The previous prime is 3580645667. The next prime is 3580645711. The reversal of 3580645668 is 8665460853.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3580645668.

It is not an unprimeable number, because it can be changed into a prime (3580645667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149193558 + ... + 149193581.

It is an arithmetic number, because the mean of its divisors is an integer number (696236660).

Almost surely, 2^3580645668 is an apocalyptic number.

It is an amenable number.

3580645668 is an abundant number, since it is smaller than the sum of its proper divisors (4774194252).

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

3580645668 is a wasteful number, since it uses less digits than its factorization.

3580645668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298387146 (or 298387144 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The square root of 3580645668 is about 59838.4965385996. The cubic root of 3580645668 is about 1529.8673711339.

The spelling of 3580645668 in words is "three billion, five hundred eighty million, six hundred forty-five thousand, six hundred sixty-eight".