18335000001685 has 8 divisors (see below), whose sum is σ = 22002831083520. Its totient is φ = 14667445947024.

The previous prime is 18335000001683. The next prime is 18335000001751. The reversal of 18335000001685 is 58610000053381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18335000001685 - 2¹ = 18335000001683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18335000001683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69111157 + ... + 69375946.

It is an arithmetic number, because the mean of its divisors is an integer number (2750353885440).

Almost surely, 2^{18335000001685} is an apocalyptic number.

It is an amenable number.

18335000001685 is a deficient number, since it is larger than the sum of its proper divisors (3667831081835).

18335000001685 is a wasteful number, since it uses less digits than its factorization.

18335000001685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138513587.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 18335000001685 in words is "eighteen trillion, three hundred thirty-five billion, one thousand, six hundred eighty-five".