18102106 has 8 divisors (see below), whose sum is σ = 29621664. Its totient is φ = 8228220.

The previous prime is 18102103. The next prime is 18102107. The reversal of 18102106 is 60120181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18102101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411390 + ... + 411433.

It is an arithmetic number, because the mean of its divisors is an integer number (3702708).

Almost surely, 2^18102106 is an apocalyptic number.

18102106 is a deficient number, since it is larger than the sum of its proper divisors (11519558).

18102106 is a wasteful number, since it uses less digits than its factorization.

18102106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822836.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 18102106 is about 4254.6569779478. The cubic root of 18102106 is about 262.5687487354.

Adding to 18102106 its reverse (60120181), we get a palindrome (78222287).

It can be divided in two parts, 1810 and 2106, that added together give a triangular number (3916 = T₈₈).

The spelling of 18102106 in words is "eighteen million, one hundred two thousand, one hundred six".