8316961666 has 16 divisors (see below), whose sum is σ = 13868483328. Its totient is φ = 3714771600.

The previous prime is 8316961661. The next prime is 8316961669. The reversal of 8316961666 is 6661696138.

It is not an unprimeable number, because it can be changed into a prime (8316961661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158600 + ... + 5160211.

It is an arithmetic number, because the mean of its divisors is an integer number (866780208).

Almost surely, 2^8316961666 is an apocalyptic number.

8316961666 is a deficient number, since it is larger than the sum of its proper divisors (5551521662).

8316961666 is a wasteful number, since it uses less digits than its factorization.

8316961666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318857.

The product of its digits is 1679616, while the sum is 52.

The square root of 8316961666 is about 91197.3775171194. The cubic root of 8316961666 is about 2026.0721176197.

The spelling of 8316961666 in words is "eight billion, three hundred sixteen million, nine hundred sixty-one thousand, six hundred sixty-six".