66434176 has 32 divisors (see below), whose sum is σ = 133660800. Its totient is φ = 32888064.

The previous prime is 66434167. The next prime is 66434197. The reversal of 66434176 is 67143466.

66434176 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (4176900).

Almost surely, 2^66434176 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 66434176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66830400).

66434176 is an abundant number, since it is smaller than the sum of its proper divisors (67226624).

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

66434176 is a wasteful number, since it uses less digits than its factorization.

66434176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156 (or 5144 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 66434176 is about 8150.7162875419. The cubic root of 66434176 is about 405.0082323175.

The spelling of 66434176 in words is "sixty-six million, four hundred thirty-four thousand, one hundred seventy-six".