65500555621164 has 96 divisors (see below), whose sum is σ = 154775275393536. Its totient is φ = 21557408040960.

The previous prime is 65500555621159. The next prime is 65500555621313. The reversal of 65500555621164 is 46112655500556.

65500555621164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 852045649 + ... + 852122519.

It is an arithmetic number, because the mean of its divisors is an integer number (1612242452016).

Almost surely, 2^{65500555621164} is an apocalyptic number.

It is an amenable number.

65500555621164 is an abundant number, since it is smaller than the sum of its proper divisors (89274719772372).

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

65500555621164 is a wasteful number, since it uses less digits than its factorization.

65500555621164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78695 (or 78693 counting only the distinct ones).

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 65500555621164 in words is "sixty-five trillion, five hundred billion, five hundred fifty-five million, six hundred twenty-one thousand, one hundred sixty-four".