22061065006643 has 16 divisors (see below), whose sum is σ = 23844583538496. Its totient is φ = 20289910147200.

The previous prime is 22061065006633. The next prime is 22061065006691. The reversal of 22061065006643 is 34660056016022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22061065006643 - 2¹⁰ = 22061065005619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22061065006643.

It is not an unprimeable number, because it can be changed into a prime (22061065006633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146460218 + ... + 146610768.

It is an arithmetic number, because the mean of its divisors is an integer number (1490286471156).

Almost surely, 2^{22061065006643} is an apocalyptic number.

22061065006643 is a deficient number, since it is larger than the sum of its proper divisors (1783518531853).

22061065006643 is a wasteful number, since it uses less digits than its factorization.

22061065006643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191534.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 22061065006643 in words is "twenty-two trillion, sixty-one billion, sixty-five million, six thousand, six hundred forty-three".