660284548 has 48 divisors (see below), whose sum is σ = 1445520384. Its totient is φ = 256379040.

The previous prime is 660284533. The next prime is 660284551. The reversal of 660284548 is 845482066.

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 15 ways as a sum of consecutive naturals, for example, 91065 + ... + 98047.

It is an arithmetic number, because the mean of its divisors is an integer number (30115008).

Almost surely, 2^660284548 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 660284548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722760192).

660284548 is an abundant number, since it is smaller than the sum of its proper divisors (785235836).

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

660284548 is a wasteful number, since it uses less digits than its factorization.

660284548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312 (or 7310 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 660284548 is about 25696.0025684930. The cubic root of 660284548 is about 870.7838744792.

The spelling of 660284548 in words is "six hundred sixty million, two hundred eighty-four thousand, five hundred forty-eight".