2018336685 has 32 divisors (see below), whose sum is σ = 3342876672. Its totient is φ = 1038795840.

The previous prime is 2018336669. The next prime is 2018336699. The reversal of 2018336685 is 5866338102.

It is not a de Polignac number, because 2018336685 - 2⁴ = 2018336669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164742 + ... + 176568.

It is an arithmetic number, because the mean of its divisors is an integer number (104464896).

Almost surely, 2^2018336685 is an apocalyptic number.

It is an amenable number.

2018336685 is a deficient number, since it is larger than the sum of its proper divisors (1324539987).

2018336685 is a wasteful number, since it uses less digits than its factorization.

2018336685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12233.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 2018336685 is about 44925.9021612254. The cubic root of 2018336685 is about 1263.7598045850.

The spelling of 2018336685 in words is "two billion, eighteen million, three hundred thirty-six thousand, six hundred eighty-five".