3663311660 has 48 divisors (see below), whose sum is σ = 8043307776. Its totient is φ = 1398843072.

The previous prime is 3663311621. The next prime is 3663311677. The reversal of 3663311660 is 661133663.

It is a self number, because there is not a number n which added to its sum of digits gives 3663311660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232967 + ... + 248193.

It is an arithmetic number, because the mean of its divisors is an integer number (167568912).

Almost surely, 2^3663311660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3663311660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021653888).

3663311660 is an abundant number, since it is smaller than the sum of its proper divisors (4379996116).

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

3663311660 is a wasteful number, since it uses less digits than its factorization.

3663311660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782 (or 15780 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 3663311660 is about 60525.2976861742. The cubic root of 3663311660 is about 1541.5512086637.

The spelling of 3663311660 in words is "three billion, six hundred sixty-three million, three hundred eleven thousand, six hundred sixty".