6600544413 has 4 divisors (see below), whose sum is σ = 8800725888. Its totient is φ = 4400362940.

The previous prime is 6600544399. The next prime is 6600544421. The reversal of 6600544413 is 3144450066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6600544413 - 2⁵ = 6600544381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600544493) 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, 1100090733 + ... + 1100090738.

It is an arithmetic number, because the mean of its divisors is an integer number (2200181472).

Almost surely, 2^6600544413 is an apocalyptic number.

It is an amenable number.

6600544413 is a deficient number, since it is larger than the sum of its proper divisors (2200181475).

6600544413 is a wasteful number, since it uses less digits than its factorization.

6600544413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200181474.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6600544413 is about 81243.7346076607. The cubic root of 6600544413 is about 1875.8290295868.

Adding to 6600544413 its reverse (3144450066), we get a palindrome (9744994479).

The spelling of 6600544413 in words is "six billion, six hundred million, five hundred forty-four thousand, four hundred thirteen".