18618102 has 12 divisors (see below), whose sum is σ = 40339260. Its totient is φ = 6206028.

The previous prime is 18618101. The next prime is 18618133. The reversal of 18618102 is 20181681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18618101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 517152 + ... + 517187.

It is an arithmetic number, because the mean of its divisors is an integer number (3361605).

Almost surely, 2^18618102 is an apocalyptic number.

18618102 is an abundant number, since it is smaller than the sum of its proper divisors (21721158).

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

18618102 is a wasteful number, since it uses less digits than its factorization.

18618102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034347 (or 1034344 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 18618102 is about 4314.8698705755. The cubic root of 18618102 is about 265.0402312243.

Adding to 18618102 its reverse (20181681), we get a palindrome (38799783).

The spelling of 18618102 in words is "eighteen million, six hundred eighteen thousand, one hundred two".