6163661585 has 16 divisors (see below), whose sum is σ = 7507520640. Its totient is φ = 4856974080.

The previous prime is 6163661563. The next prime is 6163661641. The reversal of 6163661585 is 5851663616.

It is a de Polignac number, because none of the positive numbers 2^k-6163661585 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405401 + ... + 420329.

It is an arithmetic number, because the mean of its divisors is an integer number (469220040).

Almost surely, 2^6163661585 is an apocalyptic number.

It is an amenable number.

6163661585 is a deficient number, since it is larger than the sum of its proper divisors (1343859055).

6163661585 is a wasteful number, since it uses less digits than its factorization.

6163661585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16168.

The product of its digits is 777600, while the sum is 47.

The square root of 6163661585 is about 78508.9904724293. The cubic root of 6163661585 is about 1833.4944313716.

The spelling of 6163661585 in words is "six billion, one hundred sixty-three million, six hundred sixty-one thousand, five hundred eighty-five".