6666813334 has 4 divisors (see below), whose sum is σ = 10000220004. Its totient is φ = 3333406666.

The previous prime is 6666813317. The next prime is 6666813367. The reversal of 6666813334 is 4333186666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4333186666 = 2 ⋅2166593333.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666703332 + ... + 1666703335.

It is an arithmetic number, because the mean of its divisors is an integer number (2500055001).

Almost surely, 2^6666813334 is an apocalyptic number.

6666813334 is a deficient number, since it is larger than the sum of its proper divisors (3333406670).

6666813334 is a wasteful number, since it uses less digits than its factorization.

6666813334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333406669.

The product of its digits is 1119744, while the sum is 46.

The square root of 6666813334 is about 81650.5562381543. The cubic root of 6666813334 is about 1882.0858595853.

It can be divided in two parts, 6 and 666813334, that multiplied together give a palindrome (4000880004).

The spelling of 6666813334 in words is "six billion, six hundred sixty-six million, eight hundred thirteen thousand, three hundred thirty-four".