985018168 has 8 divisors (see below), whose sum is σ = 1846909080. Its totient is φ = 492509080.

The previous prime is 985018163. The next prime is 985018169. The reversal of 985018168 is 861810589.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985018163) by changing a digit.

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 as a sum of consecutive naturals, namely, 61563628 + ... + 61563643.

It is an arithmetic number, because the mean of its divisors is an integer number (230863635).

Almost surely, 2^985018168 is an apocalyptic number.

It is an amenable number.

985018168 is a deficient number, since it is larger than the sum of its proper divisors (861890912).

985018168 is a wasteful number, since it uses less digits than its factorization.

985018168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123127277 (or 123127273 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 985018168 is about 31384.9990919229. Note that the first 3 decimals coincide. The cubic root of 985018168 is about 994.9809068498.

The spelling of 985018168 in words is "nine hundred eighty-five million, eighteen thousand, one hundred sixty-eight".