6643003466 has 8 divisors (see below), whose sum is σ = 10870369344. Its totient is φ = 3019547020.

The previous prime is 6643003463. The next prime is 6643003481.

6643003466 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (6643003463) 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, 150977330 + ... + 150977373.

It is an arithmetic number, because the mean of its divisors is an integer number (1358796168).

Almost surely, 2^6643003466 is an apocalyptic number.

6643003466 is a deficient number, since it is larger than the sum of its proper divisors (4227365878).

6643003466 is a wasteful number, since it uses less digits than its factorization.

6643003466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301954716.

The product of its (nonzero) digits is 186624, while the sum is 38.

The square root of 6643003466 is about 81504.6223597165. The cubic root of 6643003466 is about 1879.8426254640.

It can be divided in two parts, 664300 and 3466, that added together give a palindrome (667766).

The spelling of 6643003466 in words is "six billion, six hundred forty-three million, three thousand, four hundred sixty-six".