16818107 has 4 divisors (see below), whose sum is σ = 16834536. Its totient is φ = 16801680.

The previous prime is 16818103. The next prime is 16818121. The reversal of 16818107 is 70181861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70181861 = 31 ⋅2263931.

It is a cyclic number.

It is not a de Polignac number, because 16818107 - 2² = 16818103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16818103) 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 3 ways as a sum of consecutive naturals, for example, 6569 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (4208634).

Almost surely, 2^16818107 is an apocalyptic number.

16818107 is a deficient number, since it is larger than the sum of its proper divisors (16429).

16818107 is a wasteful number, since it uses less digits than its factorization.

16818107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16428.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 16818107 is about 4100.9885393646. The cubic root of 16818107 is about 256.2078136382.

Adding to 16818107 its reverse (70181861), we get a palindrome (86999968).

The spelling of 16818107 in words is "sixteen million, eight hundred eighteen thousand, one hundred seven".