605605664065 has 8 divisors (see below), whose sum is σ = 742189069440. Its totient is φ = 474176349552.

The previous prime is 605605664003. The next prime is 605605664071. The reversal of 605605664065 is 560466506506.

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 605605664065 - 2¹¹ = 605605662017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288522455 + ... + 1288522924.

It is an arithmetic number, because the mean of its divisors is an integer number (92773633680).

Almost surely, 2^605605664065 is an apocalyptic number.

It is an amenable number.

605605664065 is a deficient number, since it is larger than the sum of its proper divisors (136583405375).

605605664065 is a wasteful number, since it uses less digits than its factorization.

605605664065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577045431.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 605605664065 in words is "six hundred five billion, six hundred five million, six hundred sixty-four thousand, sixty-five".