8666311946 has 8 divisors (see below), whose sum is σ = 13177543044. Its totient is φ = 4273797600.

The previous prime is 8666311931. The next prime is 8666311957. The reversal of 8666311946 is 6491136668.

It can be written as a sum of positive squares in 2 ways, for example, as 7372111321 + 1294200625 = 85861^2 + 35975^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8666311894 and 8666311903.

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 3 ways as a sum of consecutive naturals, for example, 29679005 + ... + 29679296.

Almost surely, 2^8666311946 is an apocalyptic number.

8666311946 is a deficient number, since it is larger than the sum of its proper divisors (4511231098).

8666311946 is a wasteful number, since it uses less digits than its factorization.

8666311946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59358376.

The product of its digits is 1119744, while the sum is 50.

The square root of 8666311946 is about 93093.0284500402. The cubic root of 8666311946 is about 2054.0520248425.

The spelling of 8666311946 in words is "eight billion, six hundred sixty-six million, three hundred eleven thousand, nine hundred forty-six".