6662273312 has 54 divisors (see below), whose sum is σ = 13445154387. Its totient is φ = 3249641664.

The previous prime is 6662273279. The next prime is 6662273339. The reversal of 6662273312 is 2133722666.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3331136656 + 3331136656 = 57716^2 + 57716^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57716.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21701063 + ... + 21701369.

Almost surely, 2^6662273312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6662273312

6662273312 is an abundant number, since it is smaller than the sum of its proper divisors (6782881075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6662273312 is an frugal number, since it uses more digits than its factorization.

6662273312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 356 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 6662273312 is about 81622.7499659256. The cubic root of 6662273312 is about 1881.6585364086.

Adding to 6662273312 its reverse (2133722666), we get a palindrome (8795995978).

The spelling of 6662273312 in words is "six billion, six hundred sixty-two million, two hundred seventy-three thousand, three hundred twelve".