6668334472 has 64 divisors (see below), whose sum is σ = 13324662000. Its totient is φ = 3122574336.

The previous prime is 6668334467. The next prime is 6668334493. The reversal of 6668334472 is 2744338666.

It can be written as a sum of positive squares in 8 ways, for example, as 1957708516 + 4710625956 = 44246^2 + 68634^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3338178 + ... + 3340174.

Almost surely, 2^6668334472 is an apocalyptic number.

It is an amenable number.

6668334472 is a deficient number, since it is larger than the sum of its proper divisors (6656327528).

6668334472 is a wasteful number, since it uses less digits than its factorization.

6668334472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2454 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 49.

The square root of 6668334472 is about 81659.8706342350. The cubic root of 6668334472 is about 1882.2289911668.

The spelling of 6668334472 in words is "six billion, six hundred sixty-eight million, three hundred thirty-four thousand, four hundred seventy-two".