18026188192 has 24 divisors (see below), whose sum is σ = 35748110916. Its totient is φ = 8947302912.

The previous prime is 18026188183. The next prime is 18026188241. The reversal of 18026188192 is 29188162081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17903510416 + 122677776 = 133804^2 + 11076^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051523 + ... + 2060290.

Almost surely, 2^18026188192 is an apocalyptic number.

It is an amenable number.

18026188192 is a deficient number, since it is larger than the sum of its proper divisors (17721922724).

18026188192 is a wasteful number, since it uses less digits than its factorization.

18026188192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111960 (or 4111952 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 46.

The spelling of 18026188192 in words is "eighteen billion, twenty-six million, one hundred eighty-eight thousand, one hundred ninety-two".