16729147 has 2 divisors, whose sum is σ = 16729148. Its totient is φ = 16729146.

The previous prime is 16729109. The next prime is 16729187. The reversal of 16729147 is 74192761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16729147 - 2⁷ = 16729019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16729187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8364573 + 8364574.

It is an arithmetic number, because the mean of its divisors is an integer number (8364574).

Almost surely, 2^16729147 is an apocalyptic number.

16729147 is a deficient number, since it is larger than the sum of its proper divisors (1).

16729147 is an equidigital number, since it uses as much as digits as its factorization.

16729147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 16729147 is about 4090.1279931073. The cubic root of 16729147 is about 255.7552745500.

The spelling of 16729147 in words is "sixteen million, seven hundred twenty-nine thousand, one hundred forty-seven".