18175368085 has 32 divisors (see below), whose sum is σ = 26366353920. Its totient is φ = 11757892608.

The previous prime is 18175368067. The next prime is 18175368103. The reversal of 18175368085 is 58086357181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18175368067) and next prime (18175368103).

It is not a de Polignac number, because 18175368085 - 2⁵ = 18175368053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95880 + ... + 213409.

It is an arithmetic number, because the mean of its divisors is an integer number (823948560).

Almost surely, 2^18175368085 is an apocalyptic number.

It is an amenable number.

18175368085 is a deficient number, since it is larger than the sum of its proper divisors (8190985835).

18175368085 is a wasteful number, since it uses less digits than its factorization.

18175368085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309397.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 18175368085 in words is "eighteen billion, one hundred seventy-five million, three hundred sixty-eight thousand, eighty-five".