13214616666 has 16 divisors (see below), whose sum is σ = 26444028000. Its totient is φ = 4402406448.

The previous prime is 13214616629. The next prime is 13214616683. The reversal of 13214616666 is 66661641231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604816 + ... + 626283.

It is an arithmetic number, because the mean of its divisors is an integer number (1652751750).

Almost surely, 2^13214616666 is an apocalyptic number.

13214616666 is an abundant number, since it is smaller than the sum of its proper divisors (13229411334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13214616666 is a wasteful number, since it uses less digits than its factorization.

13214616666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232893.

The product of its digits is 186624, while the sum is 42.

The spelling of 13214616666 in words is "thirteen billion, two hundred fourteen million, six hundred sixteen thousand, six hundred sixty-six".