160666189828 has 12 divisors (see below), whose sum is σ = 281444497180. Its totient is φ = 80253476352.

The previous prime is 160666189793. The next prime is 160666189829. The reversal of 160666189828 is 828981666061.

It can be written as a sum of positive squares in 2 ways, for example, as 98365031424 + 62301158404 = 313632^2 + 249602^2 .

It is not an unprimeable number, because it can be changed into a prime (160666189829) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19900101 + ... + 19908172.

Almost surely, 2^160666189828 is an apocalyptic number.

It is an amenable number.

160666189828 is a deficient number, since it is larger than the sum of its proper divisors (120778307352).

160666189828 is a wasteful number, since it uses less digits than its factorization.

160666189828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39809286 (or 39809284 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 61.

The spelling of 160666189828 in words is "one hundred sixty billion, six hundred sixty-six million, one hundred eighty-nine thousand, eight hundred twenty-eight".