660063128441 has 8 divisors (see below), whose sum is σ = 665109634560. Its totient is φ = 655029646848.

The previous prime is 660063128437. The next prime is 660063128443. The reversal of 660063128441 is 144821360066.

It is a happy number.

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 660063128441 - 2² = 660063128437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660063128443) 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, 3154376 + ... + 3357113.

It is an arithmetic number, because the mean of its divisors is an integer number (83138704320).

Almost surely, 2^660063128441 is an apocalyptic number.

It is an amenable number.

660063128441 is a deficient number, since it is larger than the sum of its proper divisors (5046506119).

660063128441 is a wasteful number, since it uses less digits than its factorization.

660063128441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512263.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 660063128441 in words is "six hundred sixty billion, sixty-three million, one hundred twenty-eight thousand, four hundred forty-one".