605665601 has 8 divisors (see below), whose sum is σ = 632245824. Its totient is φ = 579106000.

The previous prime is 605665591. The next prime is 605665633. The reversal of 605665601 is 106566506.

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 605665601 - 2¹⁸ = 605403457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (605665201) 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, 107351 + ... + 112851.

It is an arithmetic number, because the mean of its divisors is an integer number (79030728).

Almost surely, 2^605665601 is an apocalyptic number.

It is an amenable number.

605665601 is a deficient number, since it is larger than the sum of its proper divisors (26580223).

605665601 is a wasteful number, since it uses less digits than its factorization.

605665601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 605665601 is about 24610.2742975368. The cubic root of 605665601 is about 846.0791045228.

The spelling of 605665601 in words is "six hundred five million, six hundred sixty-five thousand, six hundred one".