6666727000 has 64 divisors (see below), whose sum is σ = 15623805600. Its totient is φ = 2662646400.

The previous prime is 6666726991. The next prime is 6666727019. The reversal of 6666727000 is 7276666.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704299 + ... + 713701.

Almost surely, 2^6666727000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6666727000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7811902800).

6666727000 is an abundant number, since it is smaller than the sum of its proper divisors (8957078600).

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

6666727000 is a wasteful number, since it uses less digits than its factorization.

6666727000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133 (or 10119 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 6666727000 is about 81650.0275566396. The cubic root of 6666727000 is about 1882.0777353290.

The spelling of 6666727000 in words is "six billion, six hundred sixty-six million, seven hundred twenty-seven thousand".