3666663356 has 24 divisors (see below), whose sum is σ = 6487756800. Its totient is φ = 1813130352.

The previous prime is 3666663337. The next prime is 3666663391. The reversal of 3666663356 is 6533666663.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119141 + ... + 146723.

It is an arithmetic number, because the mean of its divisors is an integer number (270323200).

Almost surely, 2^3666663356 is an apocalyptic number.

It is an amenable number.

3666663356 is a deficient number, since it is larger than the sum of its proper divisors (2821093444).

3666663356 is a wasteful number, since it uses less digits than its factorization.

3666663356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27953 (or 27951 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 50.

The square root of 3666663356 is about 60552.9797450134. The cubic root of 3666663356 is about 1542.0212056256.

The spelling of 3666663356 in words is "three billion, six hundred sixty-six million, six hundred sixty-three thousand, three hundred fifty-six".