3664660664663 has 8 divisors (see below), whose sum is σ = 3697206151968. Its totient is φ = 3632117192704.

The previous prime is 3664660664633. The next prime is 3664660664699.

It is a happy number.

3664660664663 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 a de Polignac number, because none of the positive numbers 2^k-3664660664663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3664660664596 and 3664660664605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664660664633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3274295 + ... + 4248567.

It is an arithmetic number, because the mean of its divisors is an integer number (462150768996).

Almost surely, 2^{3664660664663} is an apocalyptic number.

3664660664663 is a deficient number, since it is larger than the sum of its proper divisors (32545487305).

3664660664663 is a wasteful number, since it uses less digits than its factorization.

3664660664663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007673.

The product of its (nonzero) digits is 241864704, while the sum is 62.

The spelling of 3664660664663 in words is "three trillion, six hundred sixty-four billion, six hundred sixty million, six hundred sixty-four thousand, six hundred sixty-three".