6666808274 has 16 divisors (see below), whose sum is σ = 12030331200. Its totient is φ = 2706824304.

The previous prime is 6666808271. The next prime is 6666808301. The reversal of 6666808274 is 4728086666.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6666808271) 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, 12531329 + ... + 12531860.

It is an arithmetic number, because the mean of its divisors is an integer number (751895700).

Almost surely, 2^6666808274 is an apocalyptic number.

6666808274 is a deficient number, since it is larger than the sum of its proper divisors (5363522926).

6666808274 is a wasteful number, since it uses less digits than its factorization.

6666808274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25063217.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 6666808274 is about 81650.5252524440. The cubic root of 6666808274 is about 1882.0853834280.

The spelling of 6666808274 in words is "six billion, six hundred sixty-six million, eight hundred eight thousand, two hundred seventy-four".