6644648462 has 8 divisors (see below), whose sum is σ = 9967318536. Its totient is φ = 3322208952.

The previous prime is 6644648459. The next prime is 6644648501. The reversal of 6644648462 is 2648464466.

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 6644648462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85928 + ... + 143780.

It is an arithmetic number, because the mean of its divisors is an integer number (1245914817).

Almost surely, 2^6644648462 is an apocalyptic number.

6644648462 is a deficient number, since it is larger than the sum of its proper divisors (3322670074).

6644648462 is a wasteful number, since it uses less digits than its factorization.

6644648462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115282.

The product of its digits is 5308416, while the sum is 50.

The square root of 6644648462 is about 81514.7131627168. The cubic root of 6644648462 is about 1879.9977801015.

The spelling of 6644648462 in words is "six billion, six hundred forty-four million, six hundred forty-eight thousand, four hundred sixty-two".