6655160565 has 24 divisors (see below), whose sum is σ = 11665232280. Its totient is φ = 3509535744.

The previous prime is 6655160509. The next prime is 6655160597. The reversal of 6655160565 is 5650615566.

It can be written as a sum of positive squares in 4 ways, for example, as 36687249 + 6618473316 = 6057^2 + 81354^2 .

It is not a de Polignac number, because 6655160565 - 2²² = 6650966261 is a prime.

It is a super-2 number, since 2×6655160565² = 88582324291862238450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6655160565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826852 + ... + 834861.

It is an arithmetic number, because the mean of its divisors is an integer number (486051345).

Almost surely, 2^6655160565 is an apocalyptic number.

It is an amenable number.

6655160565 is a deficient number, since it is larger than the sum of its proper divisors (5010071715).

6655160565 is a wasteful number, since it uses less digits than its factorization.

6655160565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661813 (or 1661810 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 6655160565 is about 81579.1674693975. The cubic root of 6655160565 is about 1880.9886686215.

The spelling of 6655160565 in words is "six billion, six hundred fifty-five million, one hundred sixty thousand, five hundred sixty-five".