22067166561 has 32 divisors (see below), whose sum is σ = 34013952000. Its totient is φ = 12585055680.

The previous prime is 22067166553. The next prime is 22067166571. The reversal of 22067166561 is 16566176022.

It is not a de Polignac number, because 22067166561 - 2³ = 22067166553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22067166571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24681 + ... + 211526.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936000).

Almost surely, 2^22067166561 is an apocalyptic number.

It is an amenable number.

22067166561 is a deficient number, since it is larger than the sum of its proper divisors (11946785439).

22067166561 is a wasteful number, since it uses less digits than its factorization.

22067166561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236389.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 22067166561 in words is "twenty-two billion, sixty-seven million, one hundred sixty-six thousand, five hundred sixty-one".