18084546685 has 16 divisors (see below), whose sum is σ = 21922488000. Its totient is φ = 14320508416.

The previous prime is 18084546677. The next prime is 18084546691. The reversal of 18084546685 is 58664548081.

It is a cyclic number.

It is not a de Polignac number, because 18084546685 - 2³ = 18084546677 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, 660141 + ... + 686989.

It is an arithmetic number, because the mean of its divisors is an integer number (1370155500).

Almost surely, 2^18084546685 is an apocalyptic number.

It is an amenable number.

18084546685 is a deficient number, since it is larger than the sum of its proper divisors (3837941315).

18084546685 is a wasteful number, since it uses less digits than its factorization.

18084546685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28220.

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 18084546685 in words is "eighteen billion, eighty-four million, five hundred forty-six thousand, six hundred eighty-five".