605161655 has 8 divisors (see below), whose sum is σ = 829936032. Its totient is φ = 414967968.

The previous prime is 605161651. The next prime is 605161691. The reversal of 605161655 is 556161506.

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 605161655 - 2² = 605161651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 17290333 = 605161655 / (6 + 0 + 5 + 1 + 6 + 1 + 6 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605161651) 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, 8645132 + ... + 8645201.

It is an arithmetic number, because the mean of its divisors is an integer number (103742004).

Almost surely, 2^605161655 is an apocalyptic number.

605161655 is a deficient number, since it is larger than the sum of its proper divisors (224774377).

605161655 is a wasteful number, since it uses less digits than its factorization.

605161655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290345.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 605161655 is about 24600.0336381884. The cubic root of 605161655 is about 845.8443784678.

The spelling of 605161655 in words is "six hundred five million, one hundred sixty-one thousand, six hundred fifty-five".