6166560605 has 4 divisors (see below), whose sum is σ = 7399872732. Its totient is φ = 4933248480.

The previous prime is 6166560601. The next prime is 6166560709. The reversal of 6166560605 is 5060656616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2819822404 + 3346738201 = 53102^2 + 57851^2 .

It is not a de Polignac number, because 6166560605 - 2² = 6166560601 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 (6166560601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616656056 + ... + 616656065.

It is an arithmetic number, because the mean of its divisors is an integer number (1849968183).

Almost surely, 2^6166560605 is an apocalyptic number.

It is an amenable number.

6166560605 is a deficient number, since it is larger than the sum of its proper divisors (1233312127).

6166560605 is a wasteful number, since it uses less digits than its factorization.

6166560605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233312126.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6166560605 is about 78527.4512829749. The cubic root of 6166560605 is about 1833.7818419112.

The spelling of 6166560605 in words is "six billion, one hundred sixty-six million, five hundred sixty thousand, six hundred five".