16071149 has 2 divisors, whose sum is σ = 16071150. Its totient is φ = 16071148.

The previous prime is 16071109. The next prime is 16071151. The reversal of 16071149 is 94117061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 310249 = 3970^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16071149 is a prime.

Together with 16071151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16071109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035574 + 8035575.

It is an arithmetic number, because the mean of its divisors is an integer number (8035575).

Almost surely, 2^16071149 is an apocalyptic number.

It is an amenable number.

16071149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16071149 is an equidigital number, since it uses as much as digits as its factorization.

16071149 is an evil number, because the sum of its binary digits is even.

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

The square root of 16071149 is about 4008.8837598514. The cubic root of 16071149 is about 252.3571665463.

The spelling of 16071149 in words is "sixteen million, seventy-one thousand, one hundred forty-nine".