16089971 has 2 divisors, whose sum is σ = 16089972. Its totient is φ = 16089970.

The previous prime is 16089967. The next prime is 16089989. The reversal of 16089971 is 17998061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16089971 - 2² = 16089967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16089901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8044985 + 8044986.

It is an arithmetic number, because the mean of its divisors is an integer number (8044986).

Almost surely, 2^16089971 is an apocalyptic number.

16089971 is a deficient number, since it is larger than the sum of its proper divisors (1).

16089971 is an equidigital number, since it uses as much as digits as its factorization.

16089971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 16089971 is about 4011.2306091772. The cubic root of 16089971 is about 252.4556455764.

The spelling of 16089971 in words is "sixteen million, eighty-nine thousand, nine hundred seventy-one".