605665055 has 8 divisors (see below), whose sum is σ = 727026144. Its totient is φ = 484380000.

The previous prime is 605665051. The next prime is 605665061. The reversal of 605665055 is 550566506.

It is a happy number.

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

It is not a de Polignac number, because 605665055 - 2² = 605665051 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 (605665051) 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, 305 + ... + 34805.

It is an arithmetic number, because the mean of its divisors is an integer number (90878268).

Almost surely, 2^605665055 is an apocalyptic number.

605665055 is a deficient number, since it is larger than the sum of its proper divisors (121361089).

605665055 is a wasteful number, since it uses less digits than its factorization.

605665055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38017.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 605665055 is about 24610.2632046063. The cubic root of 605665055 is about 846.0788502795.

The spelling of 605665055 in words is "six hundred five million, six hundred sixty-five thousand, fifty-five".