5666213763612 has 36 divisors (see below), whose sum is σ = 14374636586856. Its totient is φ = 1881919369440.

The previous prime is 5666213763607. The next prime is 5666213763701. The reversal of 5666213763612 is 2163673126665.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284096214 + ... + 284116157.

It is an arithmetic number, because the mean of its divisors is an integer number (399295460746).

Almost surely, 2^{5666213763612} is an apocalyptic number.

It is an amenable number.

5666213763612 is an abundant number, since it is smaller than the sum of its proper divisors (8708422823244).

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

5666213763612 is a wasteful number, since it uses less digits than its factorization.

5666213763612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568212658 (or 568212653 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 5666213763612 in words is "five trillion, six hundred sixty-six billion, two hundred thirteen million, seven hundred sixty-three thousand, six hundred twelve".