16970143 has 2 divisors, whose sum is σ = 16970144. Its totient is φ = 16970142.

The previous prime is 16970141. The next prime is 16970153. The reversal of 16970143 is 34107961.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16970143 - 2¹ = 16970141 is a prime.

Together with 16970141, 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 (16970141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8485071 + 8485072.

It is an arithmetic number, because the mean of its divisors is an integer number (8485072).

Almost surely, 2^16970143 is an apocalyptic number.

16970143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16970143 is an equidigital number, since it uses as much as digits as its factorization.

16970143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16970143 is about 4119.4833413912. The cubic root of 16970143 is about 256.9775399631.

It can be divided in two parts, 169701 and 43, that added together give a square (169744 = 412²).

The spelling of 16970143 in words is "sixteen million, nine hundred seventy thousand, one hundred forty-three".