6648558466 has 8 divisors (see below), whose sum is σ = 10879459344. Its totient is φ = 3022072020.

The previous prime is 6648558463. The next prime is 6648558467.

6648558466 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6648558466.

It is not an unprimeable number, because it can be changed into a prime (6648558461) 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, 151103580 + ... + 151103623.

It is an arithmetic number, because the mean of its divisors is an integer number (1359932418).

Almost surely, 2^6648558466 is an apocalyptic number.

6648558466 is a deficient number, since it is larger than the sum of its proper divisors (4230900878).

6648558466 is a wasteful number, since it uses less digits than its factorization.

6648558466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302207216.

The product of its digits is 33177600, while the sum is 58.

The square root of 6648558466 is about 81538.6930604115. The cubic root of 6648558466 is about 1880.3664656439.

The spelling of 6648558466 in words is "six billion, six hundred forty-eight million, five hundred fifty-eight thousand, four hundred sixty-six".