6662642336 has 24 divisors (see below), whose sum is σ = 14990945760. Its totient is φ = 2855418048.

The previous prime is 6662642333. The next prime is 6662642347. The reversal of 6662642336 is 6332462666.

It is not an unprimeable number, because it can be changed into a prime (6662642333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14871746 + ... + 14872193.

It is an arithmetic number, because the mean of its divisors is an integer number (624622740).

Almost surely, 2^6662642336 is an apocalyptic number.

It is an amenable number.

6662642336 is an abundant number, since it is smaller than the sum of its proper divisors (8328303424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6662642336 is a wasteful number, since it uses less digits than its factorization.

6662642336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29743956 (or 29743948 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 44.

The square root of 6662642336 is about 81625.0104808569. The cubic root of 6662642336 is about 1881.6932775200.

The spelling of 6662642336 in words is "six billion, six hundred sixty-two million, six hundred forty-two thousand, three hundred thirty-six".