13645200566 has 8 divisors (see below), whose sum is σ = 20500975800. Its totient is φ = 6811541968.

The previous prime is 13645200559. The next prime is 13645200571. The reversal of 13645200566 is 66500254631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527616 + ... + 5530083.

It is an arithmetic number, because the mean of its divisors is an integer number (2562621975).

Almost surely, 2^13645200566 is an apocalyptic number.

13645200566 is a deficient number, since it is larger than the sum of its proper divisors (6855775234).

13645200566 is a wasteful number, since it uses less digits than its factorization.

13645200566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058318.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 13645200566 in words is "thirteen billion, six hundred forty-five million, two hundred thousand, five hundred sixty-six".