64466466466446 has 48 divisors (see below), whose sum is σ = 152400527433648. Its totient is φ = 19532056579200.

The previous prime is 64466466466433. The next prime is 64466466466477.

64466466466446 is a `hidden beast` number, since 6 + 4 + 4 + 6 + 64 + 6 + 64 + 66 + 446 = 666.

64466466466446 is nontrivially palindromic in base 10.

64466466466446 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 23 ways as a sum of consecutive naturals, for example, 25770735 + ... + 28161386.

It is an arithmetic number, because the mean of its divisors is an integer number (3175010988201).

Almost surely, 2^{64466466466446} is an apocalyptic number.

64466466466446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64466466466446 is an abundant number, since it is smaller than the sum of its proper divisors (87934060967202).

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

64466466466446 is a wasteful number, since it uses less digits than its factorization.

64466466466446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53938177 (or 53938174 counting only the distinct ones).

The product of its digits is 6879707136, while the sum is 72.

The spelling of 64466466466446 in words is "sixty-four trillion, four hundred sixty-six billion, four hundred sixty-six million, four hundred sixty-six thousand, four hundred forty-six".