660128282 has 16 divisors (see below), whose sum is σ = 1082011392. Its totient is φ = 299557920.

The previous prime is 660128263. The next prime is 660128311. The reversal of 660128282 is 282821066.

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 7 ways as a sum of consecutive naturals, for example, 11363 + ... + 38070.

It is an arithmetic number, because the mean of its divisors is an integer number (67625712).

Almost surely, 2^660128282 is an apocalyptic number.

660128282 is a deficient number, since it is larger than the sum of its proper divisors (421883110).

660128282 is a wasteful number, since it uses less digits than its factorization.

660128282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50053.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 660128282 is about 25692.9617210628. The cubic root of 660128282 is about 870.7151744773.

The spelling of 660128282 in words is "six hundred sixty million, one hundred twenty-eight thousand, two hundred eighty-two".