12316417666 has 32 divisors (see below), whose sum is σ = 21351173760. Its totient is φ = 5219237376.

The previous prime is 12316417639. The next prime is 12316417681. The reversal of 12316417666 is 66671461321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738780 + ... + 1745848.

It is an arithmetic number, because the mean of its divisors is an integer number (667224180).

Almost surely, 2^12316417666 is an apocalyptic number.

12316417666 is a deficient number, since it is larger than the sum of its proper divisors (9034756094).

12316417666 is a wasteful number, since it uses less digits than its factorization.

12316417666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458.

The product of its digits is 217728, while the sum is 43.

Adding to 12316417666 its reverse (66671461321), we get a palindrome (78987878987).

The spelling of 12316417666 in words is "twelve billion, three hundred sixteen million, four hundred seventeen thousand, six hundred sixty-six".