64533422433546 has 256 divisors, whose sum is σ = 162997326950400. Its totient is φ = 18751994553600.

The previous prime is 64533422433511. The next prime is 64533422433553.

It is a happy number.

64533422433546 is a `hidden beast` number, since 6 + 4 + 5 + 3 + 3 + 42 + 24 + 33 + 546 = 666.

64533422433546 is nontrivially palindromic in base 10.

64533422433546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64533422433546² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 64533422433492 and 64533422433501.

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 127 ways as a sum of consecutive naturals, for example, 5288318281 + ... + 5288330483.

It is an arithmetic number, because the mean of its divisors is an integer number (636708308400).

Almost surely, 2^{64533422433546} is an apocalyptic number.

64533422433546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 64533422433546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81498663475200).

64533422433546 is an abundant number, since it is smaller than the sum of its proper divisors (98463904516854).

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

64533422433546 is a wasteful number, since it uses less digits than its factorization.

64533422433546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722 (or 15716 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 54.

It can be divided in two parts, 6453342 and 2433546, that added together give a palindrome (8886888).

The spelling of 64533422433546 in words is "sixty-four trillion, five hundred thirty-three billion, four hundred twenty-two million, four hundred thirty-three thousand, five hundred forty-six".