64466575612352 has 56 divisors (see below), whose sum is σ = 136363343020800. Its totient is φ = 30150257170176.

The previous prime is 64466575612279. The next prime is 64466575612363. The reversal of 64466575612352 is 25321657566446.

64466575612352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 335443658 + ... + 335635785.

It is an arithmetic number, because the mean of its divisors is an integer number (2435059696800).

Almost surely, 2^{64466575612352} is an apocalyptic number.

It is an amenable number.

64466575612352 is an abundant number, since it is smaller than the sum of its proper divisors (71896767408448).

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

64466575612352 is a wasteful number, since it uses less digits than its factorization.

64466575612352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671079553 (or 671079543 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 62.

The spelling of 64466575612352 in words is "sixty-four trillion, four hundred sixty-six billion, five hundred seventy-five million, six hundred twelve thousand, three hundred fifty-two".