3660663 has 8 divisors (see below), whose sum is σ = 4902768. Its totient is φ = 2429504.

The previous prime is 3660653. The next prime is 3660667.

3660663 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3660663 - 2⁴ = 3660647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3660663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1920 + ... + 3317.

It is an arithmetic number, because the mean of its divisors is an integer number (612846).

Almost surely, 2^3660663 is an apocalyptic number.

3660663 is a deficient number, since it is larger than the sum of its proper divisors (1242105).

3660663 is a wasteful number, since it uses less digits than its factorization.

3660663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 3660663 is about 1913.2859169502. The cubic root of 3660663 is about 154.1179593229.

The spelling of 3660663 in words is "three million, six hundred sixty thousand, six hundred sixty-three".