6666974094 has 16 divisors (see below), whose sum is σ = 14546125440. Its totient is φ = 2020295160.

The previous prime is 6666974089. The next prime is 6666974107. The reversal of 6666974094 is 4904796666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50507314 + ... + 50507445.

It is an arithmetic number, because the mean of its divisors is an integer number (909132840).

Almost surely, 2^6666974094 is an apocalyptic number.

6666974094 is an abundant number, since it is smaller than the sum of its proper divisors (7879151346).

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

6666974094 is a wasteful number, since it uses less digits than its factorization.

6666974094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101014775.

The product of its (nonzero) digits is 11757312, while the sum is 57.

The square root of 6666974094 is about 81651.5406713186. The cubic root of 6666974094 is about 1882.1009873371.

The spelling of 6666974094 in words is "six billion, six hundred sixty-six million, nine hundred seventy-four thousand, ninety-four".