66248284 has 24 divisors (see below), whose sum is σ = 118244448. Its totient is φ = 32471040.

The previous prime is 66248263. The next prime is 66248291. The reversal of 66248284 is 48284266.

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 7 ways as a sum of consecutive naturals, for example, 43089 + ... + 44599.

It is an arithmetic number, because the mean of its divisors is an integer number (4926852).

Almost surely, 2^66248284 is an apocalyptic number.

It is an amenable number.

66248284 is a deficient number, since it is larger than the sum of its proper divisors (51996164).

66248284 is a wasteful number, since it uses less digits than its factorization.

66248284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1723 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 66248284 is about 8139.3048843252. The cubic root of 66248284 is about 404.6301231068.

The spelling of 66248284 in words is "sixty-six million, two hundred forty-eight thousand, two hundred eighty-four".