16010009 has 2 divisors, whose sum is σ = 16010010. Its totient is φ = 16010008.

The previous prime is 16009963. The next prime is 16010017. The reversal of 16010009 is 90001061.

16010009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14440000 + 1570009 = 3800^2 + 1253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16010009 is a prime.

It is not a weakly prime, because it can be changed into another prime (16010809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8005004 + 8005005.

It is an arithmetic number, because the mean of its divisors is an integer number (8005005).

Almost surely, 2^16010009 is an apocalyptic number.

It is an amenable number.

16010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16010009 is an equidigital number, since it uses as much as digits as its factorization.

16010009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 16010009 is about 4001.2509293970. The cubic root of 16010009 is about 252.0367429837.

The spelling of 16010009 in words is "sixteen million, ten thousand, nine".