605685161 has 8 divisors (see below), whose sum is σ = 633790464. Its totient is φ = 578115360.

The previous prime is 605685127. The next prime is 605685191. The reversal of 605685161 is 161586506.

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 605685161 - 2¹⁸ = 605423017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605685191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131561 + ... + 136086.

It is an arithmetic number, because the mean of its divisors is an integer number (79223808).

Almost surely, 2^605685161 is an apocalyptic number.

It is an amenable number.

605685161 is a deficient number, since it is larger than the sum of its proper divisors (28105303).

605685161 is a wasteful number, since it uses less digits than its factorization.

605685161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267751.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 605685161 is about 24610.6716893302. The cubic root of 605685161 is about 846.0882124800.

The spelling of 605685161 in words is "six hundred five million, six hundred eighty-five thousand, one hundred sixty-one".