18106368085 has 32 divisors (see below), whose sum is σ = 24443451648. Its totient is φ = 12775319040.

The previous prime is 18106368083. The next prime is 18106368113. The reversal of 18106368085 is 58086360181.

It is not a de Polignac number, because 18106368085 - 2¹ = 18106368083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106368083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1445409 + ... + 1457881.

It is an arithmetic number, because the mean of its divisors is an integer number (763857864).

Almost surely, 2^18106368085 is an apocalyptic number.

It is an amenable number.

18106368085 is a deficient number, since it is larger than the sum of its proper divisors (6337083563).

18106368085 is a wasteful number, since it uses less digits than its factorization.

18106368085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13485.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 18106368085 in words is "eighteen billion, one hundred six million, three hundred sixty-eight thousand, eighty-five".