66133382 has 8 divisors (see below), whose sum is σ = 113371536. Its totient is φ = 28342872.

The previous prime is 66133351. The next prime is 66133391. The reversal of 66133382 is 28333166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2361893 + ... + 2361920.

It is an arithmetic number, because the mean of its divisors is an integer number (14171442).

Almost surely, 2^66133382 is an apocalyptic number.

66133382 is a deficient number, since it is larger than the sum of its proper divisors (47238154).

66133382 is a wasteful number, since it uses less digits than its factorization.

66133382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723822.

The product of its digits is 15552, while the sum is 32.

The square root of 66133382 is about 8132.2433559258. The cubic root of 66133382 is about 404.3960555818.

It can be divided in two parts, 661 and 33382, that added together give a palindrome (34043).

The spelling of 66133382 in words is "sixty-six million, one hundred thirty-three thousand, three hundred eighty-two".