8740616666 has 8 divisors (see below), whose sum is σ = 13133262240. Its totient is φ = 4362862588.

The previous prime is 8740616663. The next prime is 8740616711. The reversal of 8740616666 is 6666160478.

It is a happy number.

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 (8740616663) 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, 3721406 + ... + 3723753.

It is an arithmetic number, because the mean of its divisors is an integer number (1641657780).

Almost surely, 2^8740616666 is an apocalyptic number.

8740616666 is a deficient number, since it is larger than the sum of its proper divisors (4392645574).

8740616666 is a wasteful number, since it uses less digits than its factorization.

8740616666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7445748.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 8740616666 is about 93491.2651855776. The cubic root of 8740616666 is about 2059.9057884146.

The spelling of 8740616666 in words is "eight billion, seven hundred forty million, six hundred sixteen thousand, six hundred sixty-six".