8665666746 has 16 divisors (see below), whose sum is σ = 18906909408. Its totient is φ = 2625959600.

The previous prime is 8665666721. The next prime is 8665666759. The reversal of 8665666746 is 6476665668.

It is a self number, because there is not a number n which added to its sum of digits gives 8665666746.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65648925 + ... + 65649056.

It is an arithmetic number, because the mean of its divisors is an integer number (1181681838).

Almost surely, 2^8665666746 is an apocalyptic number.

8665666746 is an abundant number, since it is smaller than the sum of its proper divisors (10241242662).

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

8665666746 is a wasteful number, since it uses less digits than its factorization.

8665666746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131297997.

The product of its digits is 52254720, while the sum is 60.

The square root of 8665666746 is about 93089.5630347463. The cubic root of 8665666746 is about 2054.0010494001.

The spelling of 8665666746 in words is "eight billion, six hundred sixty-five million, six hundred sixty-six thousand, seven hundred forty-six".