6666746874 has 8 divisors (see below), whose sum is σ = 13333493760. Its totient is φ = 2222248956.

The previous prime is 6666746873. The next prime is 6666746893. The reversal of 6666746874 is 4786476666.

It is a sphenic number, since it is the product of 3 distinct primes.

6666746874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6666746873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555562234 + ... + 555562245.

It is an arithmetic number, because the mean of its divisors is an integer number (1666686720).

Almost surely, 2^6666746874 is an apocalyptic number.

6666746874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6666746874 is a wasteful number, since it uses less digits than its factorization.

6666746874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111124484.

The product of its digits is 48771072, while the sum is 60.

The square root of 6666746874 is about 81650.1492588960. The cubic root of 6666746874 is about 1882.0796055308.

The spelling of 6666746874 in words is "six billion, six hundred sixty-six million, seven hundred forty-six thousand, eight hundred seventy-four".