4663666663664 has 20 divisors (see below), whose sum is σ = 9036473804256. Its totient is φ = 2331673423872.

The previous prime is 4663666663661. The next prime is 4663666663753.

4663666663664 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4663666663594 and 4663666663603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663666663661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9753464 + ... + 10220439.

Almost surely, 2^{4663666663664} is an apocalyptic number.

It is an amenable number.

4663666663664 is a deficient number, since it is larger than the sum of its proper divisors (4372807140592).

4663666663664 is a wasteful number, since it uses less digits than its factorization.

4663666663664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19988504 (or 19988498 counting only the distinct ones).

The product of its digits is 1451188224, while the sum is 68.

The spelling of 4663666663664 in words is "four trillion, six hundred sixty-three billion, six hundred sixty-six million, six hundred sixty-three thousand, six hundred sixty-four".