64554755745546 has 48 divisors (see below), whose sum is σ = 156707859174048. Its totient is φ = 19033343215200.

The previous prime is 64554755745511. The next prime is 64554755745547.

64554755745546 is a `hidden beast` number, since 6 + 4 + 5 + 5 + 4 + 7 + 5 + 5 + 74 + 5 + 546 = 666.

64554755745546 is nontrivially palindromic in base 10.

64554755745546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64554755745547) by changing a digit.

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, 4405859160 + ... + 4405873811.

It is an arithmetic number, because the mean of its divisors is an integer number (3264747066126).

Almost surely, 2^{64554755745546} is an apocalyptic number.

64554755745546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64554755745546 is an abundant number, since it is smaller than the sum of its proper divisors (92153103428502).

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

64554755745546 is a wasteful number, since it uses less digits than its factorization.

64554755745546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8811733027 (or 8811733024 counting only the distinct ones).

The product of its digits is 7056000000, while the sum is 72.

The spelling of 64554755745546 in words is "sixty-four trillion, five hundred fifty-four billion, seven hundred fifty-five million, seven hundred forty-five thousand, five hundred forty-six".