12166216004 has 48 divisors (see below), whose sum is σ = 21846476736. Its totient is φ = 5926569600.

The previous prime is 12166215967. The next prime is 12166216019. The reversal of 12166216004 is 40061266121.

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, 20725799 + ... + 20726385.

It is an arithmetic number, because the mean of its divisors is an integer number (455134932).

Almost surely, 2^12166216004 is an apocalyptic number.

It is an amenable number.

12166216004 is a deficient number, since it is larger than the sum of its proper divisors (9680260732).

12166216004 is a wasteful number, since it uses less digits than its factorization.

12166216004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 12166216004 in words is "twelve billion, one hundred sixty-six million, two hundred sixteen thousand, four".