605664275854551 has 16 divisors (see below), whose sum is σ = 812960517384960. Its totient is φ = 401072504644800.

The previous prime is 605664275854549. The next prime is 605664275854577. The reversal of 605664275854551 is 155458572466506.

It is a happy number.

605664275854551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 605664275854551 - 2¹ = 605664275854549 is a prime.

It is a super-2 number, since 2×605664275854551² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605664275854051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43308646 + ... + 55560483.

It is an arithmetic number, because the mean of its divisors is an integer number (50810032336560).

Almost surely, 2^{605664275854551} is an apocalyptic number.

605664275854551 is a deficient number, since it is larger than the sum of its proper divisors (207296241530409).

605664275854551 is a wasteful number, since it uses less digits than its factorization.

605664275854551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98882806.

The product of its (nonzero) digits is 1209600000, while the sum is 69.

The spelling of 605664275854551 in words is "six hundred five trillion, six hundred sixty-four billion, two hundred seventy-five million, eight hundred fifty-four thousand, five hundred fifty-one".