66310336 has 56 divisors (see below), whose sum is σ = 141823440. Its totient is φ = 30646272.

The previous prime is 66310313. The next prime is 66310393. The reversal of 66310336 is 63301366.

66310336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 63676 + ... + 64708.

Almost surely, 2^66310336 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 66310336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70911720).

66310336 is an abundant number, since it is smaller than the sum of its proper divisors (75513104).

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

66310336 is a wasteful number, since it uses less digits than its factorization.

66310336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 66310336 is about 8143.1158655640. The cubic root of 66310336 is about 404.7564170610.

The spelling of 66310336 in words is "sixty-six million, three hundred ten thousand, three hundred thirty-six".