6668668074 has 8 divisors (see below), whose sum is σ = 13337336160. Its totient is φ = 2222889356.

The previous prime is 6668668057. The next prime is 6668668087. The reversal of 6668668074 is 4708668666.

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

6668668074 is an admirable number.

It is a super-2 number, since 2×6668668074² = 88942267762373738952, which contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 555722334 + ... + 555722345.

It is an arithmetic number, because the mean of its divisors is an integer number (1667167020).

Almost surely, 2^6668668074 is an apocalyptic number.

6668668074 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.

6668668074 is a wasteful number, since it uses less digits than its factorization.

6668668074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111444684.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The square root of 6668668074 is about 81661.9132398942. The cubic root of 6668668074 is about 1882.2603785589.

The spelling of 6668668074 in words is "six billion, six hundred sixty-eight million, six hundred sixty-eight thousand, seventy-four".