22006346161 has 8 divisors (see below), whose sum is σ = 22109823720. Its totient is φ = 21903042048.

The previous prime is 22006346147. The next prime is 22006346171. The reversal of 22006346161 is 16164360022.

It can be written as a sum of positive squares in 4 ways, for example, as 118919025 + 21887427136 = 10905^2 + 147944^2 .

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 22006346161 - 2⁹ = 22006345649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22006346171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214575 + ... + 300091.

It is an arithmetic number, because the mean of its divisors is an integer number (2763727965).

Almost surely, 2^22006346161 is an apocalyptic number.

It is an amenable number.

22006346161 is a deficient number, since it is larger than the sum of its proper divisors (103477559).

22006346161 is an equidigital number, since it uses as much as digits as its factorization.

22006346161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86723.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 22006346161 in words is "twenty-two billion, six million, three hundred forty-six thousand, one hundred sixty-one".