6666673340 has 24 divisors (see below), whose sum is σ = 14005489680. Its totient is φ = 2665626368.

The previous prime is 6666673339. The next prime is 6666673361. The reversal of 6666673340 is 433766666.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11702 + ... + 116061.

It is an arithmetic number, because the mean of its divisors is an integer number (583562070).

Almost surely, 2^6666673340 is an apocalyptic number.

It is an amenable number.

6666673340 is an abundant number, since it is smaller than the sum of its proper divisors (7338816340).

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

6666673340 is a wasteful number, since it uses less digits than its factorization.

6666673340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130381 (or 130379 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 47.

The square root of 6666673340 is about 81649.6989584163. The cubic root of 6666673340 is about 1882.0726857466.

The spelling of 6666673340 in words is "six billion, six hundred sixty-six million, six hundred seventy-three thousand, three hundred forty".