66248382 has 8 divisors (see below), whose sum is σ = 132496776. Its totient is φ = 22082792.

The previous prime is 66248341. The next prime is 66248387. The reversal of 66248382 is 28384266.

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

66248382 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66248382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66248387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5520693 + ... + 5520704.

It is an arithmetic number, because the mean of its divisors is an integer number (16562097).

Almost surely, 2^66248382 is an apocalyptic number.

66248382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66248382 is a wasteful number, since it uses less digits than its factorization.

66248382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041402.

The product of its digits is 110592, while the sum is 39.

The square root of 66248382 is about 8139.3109044931. The cubic root of 66248382 is about 404.6303226276.

The spelling of 66248382 in words is "sixty-six million, two hundred forty-eight thousand, three hundred eighty-two".