4668736378664 has 8 divisors (see below), whose sum is σ = 8753880710010. Its totient is φ = 2334368189328.

The previous prime is 4668736378601. The next prime is 4668736378667.

4668736378664 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3779408164900 + 889328213764 = 1944070^2 + 943042^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4668736378591 and 4668736378600.

It is not an unprimeable number, because it can be changed into a prime (4668736378667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291796023659 + ... + 291796023674.

Almost surely, 2^{4668736378664} is an apocalyptic number.

It is an amenable number.

4668736378664 is a deficient number, since it is larger than the sum of its proper divisors (4085144331346).

4668736378664 is a wasteful number, since it uses less digits than its factorization.

4668736378664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583592047339 (or 583592047335 counting only the distinct ones).

The product of its digits is 3511517184, while the sum is 74.

The spelling of 4668736378664 in words is "four trillion, six hundred sixty-eight billion, seven hundred thirty-six million, three hundred seventy-eight thousand, six hundred sixty-four".