6662006444 has 24 divisors (see below), whose sum is σ = 12528558000. Its totient is φ = 3088267776.

The previous prime is 6662006443. The next prime is 6662006447. The reversal of 6662006444 is 4446002666.

It is a junction number, because it is equal to n+sod(n) for n = 6662006398 and 6662006407.

It is not an unprimeable number, because it can be changed into a prime (6662006443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726569 + ... + 735680.

It is an arithmetic number, because the mean of its divisors is an integer number (522023250).

Almost surely, 2^6662006444 is an apocalyptic number.

It is an amenable number.

6662006444 is a deficient number, since it is larger than the sum of its proper divisors (5866551556).

6662006444 is a wasteful number, since it uses less digits than its factorization.

6662006444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462337 (or 1462335 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 6662006444 is about 81621.1151847364. The cubic root of 6662006444 is about 1881.6334117936.

The spelling of 6662006444 in words is "six billion, six hundred sixty-two million, six thousand, four hundred forty-four".