605506216163440 has 20 divisors (see below), whose sum is σ = 1407801952580184. Its totient is φ = 242202486465344.

The previous prime is 605506216163287. The next prime is 605506216163491. The reversal of 605506216163440 is 44361612605506.

It is a tau number, because it is divible by the number of its divisors (20).

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, 3784413850942 + ... + 3784413851101.

Almost surely, 2^{605506216163440} is an apocalyptic number.

It is an amenable number.

605506216163440 is an abundant number, since it is smaller than the sum of its proper divisors (802295736416744).

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

605506216163440 is a wasteful number, since it uses less digits than its factorization.

605506216163440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568827702056 (or 7568827702050 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

Adding to 605506216163440 its reverse (44361612605506), we get a palindrome (649867828768946).

The spelling of 605506216163440 in words is "six hundred five trillion, five hundred six billion, two hundred sixteen million, one hundred sixty-three thousand, four hundred forty".