18181096 has 16 divisors (see below), whose sum is σ = 34135200. Its totient is φ = 9078384.

The previous prime is 18181039. The next prime is 18181103. The reversal of 18181096 is 69018181.

It is a super-2 number, since 2×18181096² = 661104503522432, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9691 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (2133450).

Almost surely, 2^18181096 is an apocalyptic number.

It is an amenable number.

18181096 is a deficient number, since it is larger than the sum of its proper divisors (15954104).

18181096 is a wasteful number, since it uses less digits than its factorization.

18181096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 34.

The square root of 18181096 is about 4263.9296429468. The cubic root of 18181096 is about 262.9501078813.

The spelling of 18181096 in words is "eighteen million, one hundred eighty-one thousand, ninety-six".