18102098 has 16 divisors (see below), whose sum is σ = 32665920. Its totient is φ = 7349616.

The previous prime is 18102083. The next prime is 18102101. The reversal of 18102098 is 89020181.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18102098.

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 7 ways as a sum of consecutive naturals, for example, 33761 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (2041620).

Almost surely, 2^18102098 is an apocalyptic number.

18102098 is a deficient number, since it is larger than the sum of its proper divisors (14563822).

18102098 is a wasteful number, since it uses less digits than its factorization.

18102098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68081.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 18102098 is about 4254.6560378014. The cubic root of 18102098 is about 262.5687100557.

The spelling of 18102098 in words is "eighteen million, one hundred two thousand, ninety-eight".