660260065117 has 8 divisors (see below), whose sum is σ = 695022397760. Its totient is φ = 625498912800.

The previous prime is 660260065109. The next prime is 660260065121. The reversal of 660260065117 is 711560062066.

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 660260065117 - 2³ = 660260065109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 660260065117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660200065117) 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, 998617 + ... + 1522417.

It is an arithmetic number, because the mean of its divisors is an integer number (86877799720).

Almost surely, 2^660260065117 is an apocalyptic number.

It is an amenable number.

660260065117 is a deficient number, since it is larger than the sum of its proper divisors (34762332643).

660260065117 is a wasteful number, since it uses less digits than its factorization.

660260065117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590163.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 660260065117 in words is "six hundred sixty billion, two hundred sixty million, sixty-five thousand, one hundred seventeen".