18716141 has 2 divisors, whose sum is σ = 18716142. Its totient is φ = 18716140.

The previous prime is 18716129. The next prime is 18716143. The reversal of 18716141 is 14161781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 6786025 = 3454^2 + 2605^2 .

It is a cyclic number.

It is not a de Polignac number, because 18716141 - 2¹⁰ = 18715117 is a prime.

Together with 18716143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18716143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9358070 + 9358071.

It is an arithmetic number, because the mean of its divisors is an integer number (9358071).

Almost surely, 2^18716141 is an apocalyptic number.

It is an amenable number.

18716141 is a deficient number, since it is larger than the sum of its proper divisors (1).

18716141 is an equidigital number, since it uses as much as digits as its factorization.

18716141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 29.

The square root of 18716141 is about 4326.2155517265. The cubic root of 18716141 is about 265.5046323565.

The spelling of 18716141 in words is "eighteen million, seven hundred sixteen thousand, one hundred forty-one".