7065307666 has 8 divisors (see below), whose sum is σ = 10637069184. Its totient is φ = 3519617940.

The previous prime is 7065307663. The next prime is 7065307721. The reversal of 7065307666 is 6667035607.

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 (7065307663) 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, 6517270 + ... + 6518353.

It is an arithmetic number, because the mean of its divisors is an integer number (1329633648).

Almost surely, 2^7065307666 is an apocalyptic number.

7065307666 is a deficient number, since it is larger than the sum of its proper divisors (3571761518).

7065307666 is a wasteful number, since it uses less digits than its factorization.

7065307666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035896.

The product of its (nonzero) digits is 952560, while the sum is 46.

The square root of 7065307666 is about 84055.3845152112. The cubic root of 7065307666 is about 1918.8617807026.

The spelling of 7065307666 in words is "seven billion, sixty-five million, three hundred seven thousand, six hundred sixty-six".