6640011303 has 32 divisors (see below), whose sum is σ = 9473034240. Its totient is φ = 4127867520.

The previous prime is 6640011239. The next prime is 6640011319. The reversal of 6640011303 is 3031100466.

It is not a de Polignac number, because 6640011303 - 2⁶ = 6640011239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6640011373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1516225 + ... + 1520597.

It is an arithmetic number, because the mean of its divisors is an integer number (296032320).

Almost surely, 2^6640011303 is an apocalyptic number.

6640011303 is a deficient number, since it is larger than the sum of its proper divisors (2833022937).

6640011303 is a wasteful number, since it uses less digits than its factorization.

6640011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6640011303 is about 81486.2645051299. The cubic root of 6640011303 is about 1879.5603414889.

Adding to 6640011303 its reverse (3031100466), we get a palindrome (9671111769).

The spelling of 6640011303 in words is "six billion, six hundred forty million, eleven thousand, three hundred three".