6655224361 has 4 divisors (see below), whose sum is σ = 6746391892. Its totient is φ = 6564056832.

The previous prime is 6655224343. The next prime is 6655224391. The reversal of 6655224361 is 1634225566.

It is a happy number.

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 4271929600 + 2383294761 = 65360^2 + 48819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6655224361 is a prime.

It is a super-2 number, since 2×6655224361² = 88584022590495716642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6655224341) 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, 45583656 + ... + 45583801.

It is an arithmetic number, because the mean of its divisors is an integer number (1686597973).

Almost surely, 2^6655224361 is an apocalyptic number.

It is an amenable number.

6655224361 is a deficient number, since it is larger than the sum of its proper divisors (91167531).

6655224361 is an equidigital number, since it uses as much as digits as its factorization.

6655224361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91167530.

The product of its digits is 259200, while the sum is 40.

The square root of 6655224361 is about 81579.5584751474. The cubic root of 6655224361 is about 1880.9946789533.

The spelling of 6655224361 in words is "six billion, six hundred fifty-five million, two hundred twenty-four thousand, three hundred sixty-one".