6643113466 has 8 divisors (see below), whose sum is σ = 10870549344. Its totient is φ = 3019597020.

The previous prime is 6643113427. The next prime is 6643113481.

6643113466 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150979830 + ... + 150979873.

It is an arithmetic number, because the mean of its divisors is an integer number (1358818668).

Almost surely, 2^6643113466 is an apocalyptic number.

6643113466 is a deficient number, since it is larger than the sum of its proper divisors (4227435878).

6643113466 is a wasteful number, since it uses less digits than its factorization.

6643113466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301959716.

The product of its digits is 186624, while the sum is 40.

The square root of 6643113466 is about 81505.2971652763. The cubic root of 6643113466 is about 1879.8530013704.

It can be divided in two parts, 66431 and 13466, that added together give a palindrome (79897).

The spelling of 6643113466 in words is "six billion, six hundred forty-three million, one hundred thirteen thousand, four hundred sixty-six".