18163098 has 12 divisors (see below), whose sum is σ = 39353418. Its totient is φ = 6054360.

The previous prime is 18163081. The next prime is 18163109. The reversal of 18163098 is 89036181.

18163098 is a `hidden beast` number, since 18 + 1 + 630 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 6487209 = 3417^2 + 2547^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504513 + ... + 504548.

Almost surely, 2^18163098 is an apocalyptic number.

18163098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18163098 is an abundant number, since it is smaller than the sum of its proper divisors (21190320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18163098 is a wasteful number, since it uses less digits than its factorization.

18163098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009069 (or 1009066 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 18163098 is about 4261.8186258920. The cubic root of 18163098 is about 262.8633118939.

The spelling of 18163098 in words is "eighteen million, one hundred sixty-three thousand, ninety-eight".