18768141 has 12 divisors (see below), whose sum is σ = 30982432. Its totient is φ = 10724616.

The previous prime is 18768137. The next prime is 18768163. The reversal of 18768141 is 14186781.

It is not a de Polignac number, because 18768141 - 2² = 18768137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18768096 and 18768105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18768341) 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 in 11 ways as a sum of consecutive naturals, for example, 148891 + ... + 149016.

Almost surely, 2^18768141 is an apocalyptic number.

It is an amenable number.

18768141 is a deficient number, since it is larger than the sum of its proper divisors (12214291).

18768141 is a wasteful number, since it uses less digits than its factorization.

18768141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297920 (or 297917 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 18768141 is about 4332.2212547376. The cubic root of 18768141 is about 265.7502932968.

The spelling of 18768141 in words is "eighteen million, seven hundred sixty-eight thousand, one hundred forty-one".