6668452614605 has 8 divisors (see below), whose sum is σ = 8002157988600. Its totient is φ = 5334752190976.

The previous prime is 6668452614601. The next prime is 6668452614647. The reversal of 6668452614605 is 5064162548666.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 548875021321 + 6119577593284 = 740861^2 + 2473778^2 .

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 6668452614605 - 2² = 6668452614601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668452614601) 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, 3122201 + ... + 4804689.

It is an arithmetic number, because the mean of its divisors is an integer number (1000269748575).

Almost surely, 2^{6668452614605} is an apocalyptic number.

It is an amenable number.

6668452614605 is a deficient number, since it is larger than the sum of its proper divisors (1333705373995).

6668452614605 is a wasteful number, since it uses less digits than its factorization.

6668452614605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475183.

The product of its (nonzero) digits is 49766400, while the sum is 59.

The spelling of 6668452614605 in words is "six trillion, six hundred sixty-eight billion, four hundred fifty-two million, six hundred fourteen thousand, six hundred five".