6916870666 has 8 divisors (see below), whose sum is σ = 10376524800. Its totient is φ = 3458029068.

The previous prime is 6916870663. The next prime is 6916870673. The reversal of 6916870666 is 6660786196.

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

It is not an unprimeable number, because it can be changed into a prime (6916870663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181386 + ... + 216181.

It is an arithmetic number, because the mean of its divisors is an integer number (1297065600).

Almost surely, 2^6916870666 is an apocalyptic number.

6916870666 is a deficient number, since it is larger than the sum of its proper divisors (3459654134).

6916870666 is a wasteful number, since it uses less digits than its factorization.

6916870666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406268.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 6916870666 is about 83167.7261081485. The cubic root of 6916870666 is about 1905.3285936667.

The spelling of 6916870666 in words is "six billion, nine hundred sixteen million, eight hundred seventy thousand, six hundred sixty-six".