16349143 has 2 divisors, whose sum is σ = 16349144. Its totient is φ = 16349142.

The previous prime is 16349141. The next prime is 16349147. The reversal of 16349143 is 34194361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16349143 - 2¹ = 16349141 is a prime.

Together with 16349141, 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 (16349141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8174571 + 8174572.

It is an arithmetic number, because the mean of its divisors is an integer number (8174572).

Almost surely, 2^16349143 is an apocalyptic number.

16349143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16349143 is an equidigital number, since it uses as much as digits as its factorization.

16349143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 16349143 is about 4043.4073502431. The cubic root of 16349143 is about 253.8039231177.

The spelling of 16349143 in words is "sixteen million, three hundred forty-nine thousand, one hundred forty-three".