3663513556 has 12 divisors (see below), whose sum is σ = 6412783860. Its totient is φ = 1831289600.

The previous prime is 3663513499. The next prime is 3663513563. The reversal of 3663513556 is 6553153663.

It can be written as a sum of positive squares in 2 ways, for example, as 2752681156 + 910832400 = 52466^2 + 30180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98845 + ... + 130756.

It is an arithmetic number, because the mean of its divisors is an integer number (534398655).

Almost surely, 2^3663513556 is an apocalyptic number.

It is an amenable number.

3663513556 is a deficient number, since it is larger than the sum of its proper divisors (2749270304).

3663513556 is a wasteful number, since it uses less digits than its factorization.

3663513556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233594 (or 233592 counting only the distinct ones).

The product of its digits is 729000, while the sum is 43.

The square root of 3663513556 is about 60526.9655277712. The cubic root of 3663513556 is about 1541.5795279673.

The spelling of 3663513556 in words is "three billion, six hundred sixty-three million, five hundred thirteen thousand, five hundred fifty-six".