64435035168 has 192 divisors, whose sum is σ = 215409438720. Its totient is φ = 18356357376.

The previous prime is 64435035167. The next prime is 64435035191. The reversal of 64435035168 is 86153053446.

It is not an unprimeable number, because it can be changed into a prime (64435035167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2083305 + ... + 2114007.

It is an arithmetic number, because the mean of its divisors is an integer number (1121924160).

Almost surely, 2^64435035168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64435035168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107704719360).

64435035168 is an abundant number, since it is smaller than the sum of its proper divisors (150974403552).

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

64435035168 is a wasteful number, since it uses less digits than its factorization.

64435035168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31076 (or 31062 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 64435035168 in words is "sixty-four billion, four hundred thirty-five million, thirty-five thousand, one hundred sixty-eight".