16112729 has 2 divisors, whose sum is σ = 16112730. Its totient is φ = 16112728.

The previous prime is 16112717. The next prime is 16112731. The reversal of 16112729 is 92721161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15031129 + 1081600 = 3877^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 16112729 - 2¹⁶ = 16047193 is a prime.

Together with 16112731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16112329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056364 + 8056365.

It is an arithmetic number, because the mean of its divisors is an integer number (8056365).

Almost surely, 2^16112729 is an apocalyptic number.

It is an amenable number.

16112729 is a deficient number, since it is larger than the sum of its proper divisors (1).

16112729 is an equidigital number, since it uses as much as digits as its factorization.

16112729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 16112729 is about 4014.0663920767. The cubic root of 16112729 is about 252.5746157289.

The spelling of 16112729 in words is "sixteen million, one hundred twelve thousand, seven hundred twenty-nine".