3668464648664 has 8 divisors (see below), whose sum is σ = 6878371216260. Its totient is φ = 1834232324328.

The previous prime is 3668464648661. The next prime is 3668464648691. The reversal of 3668464648664 is 4668464648663.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668464648661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229279040534 + ... + 229279040549.

Almost surely, 2^{3668464648664} is an apocalyptic number.

It is an amenable number.

3668464648664 is a deficient number, since it is larger than the sum of its proper divisors (3209906567596).

3668464648664 is a wasteful number, since it uses less digits than its factorization.

3668464648664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458558081089 (or 458558081085 counting only the distinct ones).

The product of its digits is 2293235712, while the sum is 71.

Subtracting 3668464648664 from its reverse (4668464648663), we obtain a palindrome (999999999999).

The spelling of 3668464648664 in words is "three trillion, six hundred sixty-eight billion, four hundred sixty-four million, six hundred forty-eight thousand, six hundred sixty-four".