22066542645655 has 8 divisors (see below), whose sum is σ = 26481546630000. Its totient is φ = 17652103813056.

The previous prime is 22066542645611. The next prime is 22066542645659. The reversal of 22066542645655 is 55654624566022.

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

It is a cyclic number.

It is not a de Polignac number, because 22066542645655 - 2¹⁵ = 22066542612887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22066542645655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066542645659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141202030 + ... + 141358219.

It is an arithmetic number, because the mean of its divisors is an integer number (3310193328750).

Almost surely, 2^{22066542645655} is an apocalyptic number.

22066542645655 is a deficient number, since it is larger than the sum of its proper divisors (4415003984345).

22066542645655 is a wasteful number, since it uses less digits than its factorization.

22066542645655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282575873.

The product of its (nonzero) digits is 103680000, while the sum is 58.

The spelling of 22066542645655 in words is "twenty-two trillion, sixty-six billion, five hundred forty-two million, six hundred forty-five thousand, six hundred fifty-five".