660466202605 has 8 divisors (see below), whose sum is σ = 864610301664. Its totient is φ = 480339056400.

The previous prime is 660466202533. The next prime is 660466202609. The reversal of 660466202605 is 506202664066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660466202605 - 2¹³ = 660466194413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660466202609) 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, 6004238151 + ... + 6004238260.

It is an arithmetic number, because the mean of its divisors is an integer number (108076287708).

Almost surely, 2^660466202605 is an apocalyptic number.

It is an amenable number.

660466202605 is a deficient number, since it is larger than the sum of its proper divisors (204144099059).

660466202605 is a wasteful number, since it uses less digits than its factorization.

660466202605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008476427.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 660466202605 in words is "six hundred sixty billion, four hundred sixty-six million, two hundred two thousand, six hundred five".