4681960666 has 8 divisors (see below), whose sum is σ = 7061742324. Its totient is φ = 2328046560.

The previous prime is 4681960663. The next prime is 4681960681. The reversal of 4681960666 is 6660691864.

It can be written as a sum of positive squares in 2 ways, for example, as 2791537225 + 1890423441 = 52835^2 + 43479^2 .

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 (4681960663) 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, 6466435 + ... + 6467158.

Almost surely, 2^4681960666 is an apocalyptic number.

4681960666 is a deficient number, since it is larger than the sum of its proper divisors (2379781658).

4681960666 is a wasteful number, since it uses less digits than its factorization.

4681960666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12933776.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 4681960666 is about 68424.8541540280. The cubic root of 4681960666 is about 1672.9228775421.

The spelling of 4681960666 in words is "four billion, six hundred eighty-one million, nine hundred sixty thousand, six hundred sixty-six".