66301382 has 32 divisors (see below), whose sum is σ = 116152320. Its totient is φ = 27799200.

The previous prime is 66301369. The next prime is 66301397. The reversal of 66301382 is 28310366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166808 + ... + 167204.

It is an arithmetic number, because the mean of its divisors is an integer number (3629760).

Almost surely, 2^66301382 is an apocalyptic number.

66301382 is a deficient number, since it is larger than the sum of its proper divisors (49850938).

66301382 is a wasteful number, since it uses less digits than its factorization.

66301382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66301382 is about 8142.5660574539. The cubic root of 66301382 is about 404.7381979199.

The spelling of 66301382 in words is "sixty-six million, three hundred one thousand, three hundred eighty-two".