18175706468 has 18 divisors (see below), whose sum is σ = 33680575026. Its totient is φ = 8552750464.

The previous prime is 18175706447. The next prime is 18175706501. The reversal of 18175706468 is 86460757181.

It can be written as a sum of positive squares in 3 ways, for example, as 503194624 + 17672511844 = 22432^2 + 132938^2 .

It is a super-2 number, since 2×18175706468² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1103558 + ... + 1119906.

It is an arithmetic number, because the mean of its divisors is an integer number (1871143057).

Almost surely, 2^18175706468 is an apocalyptic number.

It is an amenable number.

18175706468 is a deficient number, since it is larger than the sum of its proper divisors (15504868558).

18175706468 is an frugal number, since it uses more digits than its factorization.

18175706468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32719 (or 16368 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 18175706468 in words is "eighteen billion, one hundred seventy-five million, seven hundred six thousand, four hundred sixty-eight".