18126151 has 2 divisors, whose sum is σ = 18126152. Its totient is φ = 18126150.

The previous prime is 18126149. The next prime is 18126169. The reversal of 18126151 is 15162181.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18126151 - 2¹ = 18126149 is a prime.

Together with 18126149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18126181) by changing a digit.

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 as a sum of consecutive naturals, namely, 9063075 + 9063076.

It is an arithmetic number, because the mean of its divisors is an integer number (9063076).

Almost surely, 2^18126151 is an apocalyptic number.

18126151 is a deficient number, since it is larger than the sum of its proper divisors (1).

18126151 is an equidigital number, since it uses as much as digits as its factorization.

18126151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 25.

The square root of 18126151 is about 4257.4817674301. The cubic root of 18126151 is about 262.6849538560.

The spelling of 18126151 in words is "eighteen million, one hundred twenty-six thousand, one hundred fifty-one".