6603540243 has 8 divisors (see below), whose sum is σ = 8916172800. Its totient is φ = 4346633928.

The previous prime is 6603540233. The next prime is 6603540263. The reversal of 6603540243 is 3420453066.

6603540243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6603540243 - 2⁶ = 6603540179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6603540233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13931283 + ... + 13931756.

It is an arithmetic number, because the mean of its divisors is an integer number (1114521600).

Almost surely, 2^6603540243 is an apocalyptic number.

6603540243 is a deficient number, since it is larger than the sum of its proper divisors (2312632557).

6603540243 is a wasteful number, since it uses less digits than its factorization.

6603540243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27863121.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 6603540243 is about 81262.1698147422. The cubic root of 6603540243 is about 1876.1127847103.

The spelling of 6603540243 in words is "six billion, six hundred three million, five hundred forty thousand, two hundred forty-three".