66302336 has 64 divisors (see below), whose sum is σ = 137479680. Its totient is φ = 31830528.

The previous prime is 66302333. The next prime is 66302339. The reversal of 66302336 is 63320366.

It is a happy number.

66302336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66302333) and next prime (66302339).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 66302299 and 66302308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66302333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 619595 + ... + 619701.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 2^66302336 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 66302336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68739840).

66302336 is an abundant number, since it is smaller than the sum of its proper divisors (71177344).

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

66302336 is a wasteful number, since it uses less digits than its factorization.

66302336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 66302336 is about 8142.6246382846. The cubic root of 66302336 is about 404.7401391484.

The spelling of 66302336 in words is "sixty-six million, three hundred two thousand, three hundred thirty-six".