18456107 has 2 divisors, whose sum is σ = 18456108. Its totient is φ = 18456106.

The previous prime is 18456103. The next prime is 18456121. The reversal of 18456107 is 70165481.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18456107 - 2² = 18456103 is a prime.

It is not a weakly prime, because it can be changed into another prime (18456103) 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 as a sum of consecutive naturals, namely, 9228053 + 9228054.

It is an arithmetic number, because the mean of its divisors is an integer number (9228054).

Almost surely, 2^18456107 is an apocalyptic number.

18456107 is a deficient number, since it is larger than the sum of its proper divisors (1).

18456107 is an equidigital number, since it uses as much as digits as its factorization.

18456107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 18456107 is about 4296.0571458024. The cubic root of 18456107 is about 264.2692911427.

The spelling of 18456107 in words is "eighteen million, four hundred fifty-six thousand, one hundred seven".