22641661361104 has 20 divisors (see below), whose sum is σ = 43916372832960. Its totient is φ = 11308403855840.

The previous prime is 22641661361069. The next prime is 22641661361147. The reversal of 22641661361104 is 40116316614622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776661514 + ... + 776690665.

It is an arithmetic number, because the mean of its divisors is an integer number (2195818641648).

Almost surely, 2^{22641661361104} is an apocalyptic number.

It is an amenable number.

22641661361104 is a deficient number, since it is larger than the sum of its proper divisors (21274711471856).

22641661361104 is a wasteful number, since it uses less digits than its factorization.

22641661361104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553353098 (or 1553353092 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

Adding to 22641661361104 its reverse (40116316614622), we get a palindrome (62757977975726).

The spelling of 22641661361104 in words is "twenty-two trillion, six hundred forty-one billion, six hundred sixty-one million, three hundred sixty-one thousand, one hundred four".