22026306411666 has 96 divisors (see below), whose sum is σ = 49882142838528. Its totient is φ = 7284264169680.

The previous prime is 22026306411631. The next prime is 22026306411727. The reversal of 22026306411666 is 66611460362022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44990005 + ... + 45476951.

It is an arithmetic number, because the mean of its divisors is an integer number (519605654568).

Almost surely, 2^{22026306411666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22026306411666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24941071419264).

22026306411666 is an abundant number, since it is smaller than the sum of its proper divisors (27855836426862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22026306411666 is a wasteful number, since it uses less digits than its factorization.

22026306411666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487698 (or 487686 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

Adding to 22026306411666 its reverse (66611460362022), we get a palindrome (88637766773688).

The spelling of 22026306411666 in words is "twenty-two trillion, twenty-six billion, three hundred six million, four hundred eleven thousand, six hundred sixty-six".