2018683516685 has 16 divisors (see below), whose sum is σ = 2704096992960. Its totient is φ = 1433990826240.

The previous prime is 2018683516679. The next prime is 2018683516711. The reversal of 2018683516685 is 5866153868102.

It is a happy number.

It is not a de Polignac number, because 2018683516685 - 2²⁴ = 2018666739469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426780620 + ... + 426785349.

It is an arithmetic number, because the mean of its divisors is an integer number (169006062060).

Almost surely, 2^{2018683516685} is an apocalyptic number.

It is an amenable number.

2018683516685 is a deficient number, since it is larger than the sum of its proper divisors (685413476275).

2018683516685 is a wasteful number, since it uses less digits than its factorization.

2018683516685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853566028.

The product of its (nonzero) digits is 16588800, while the sum is 59.

The spelling of 2018683516685 in words is "two trillion, eighteen billion, six hundred eighty-three million, five hundred sixteen thousand, six hundred eighty-five".