16955143 has 2 divisors, whose sum is σ = 16955144. Its totient is φ = 16955142.

The previous prime is 16955131. The next prime is 16955149. The reversal of 16955143 is 34155961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16955143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16955099 and 16955108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16955149) 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, 8477571 + 8477572.

It is an arithmetic number, because the mean of its divisors is an integer number (8477572).

Almost surely, 2^16955143 is an apocalyptic number.

16955143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16955143 is an equidigital number, since it uses as much as digits as its factorization.

16955143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 34.

The square root of 16955143 is about 4117.6623222406. The cubic root of 16955143 is about 256.9018030375.

The spelling of 16955143 in words is "sixteen million, nine hundred fifty-five thousand, one hundred forty-three".