16010989 has 2 divisors, whose sum is σ = 16010990. Its totient is φ = 16010988.

The previous prime is 16010941. The next prime is 16010999. The reversal of 16010989 is 98901061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15093225 + 917764 = 3885^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 16010989 - 2⁷ = 16010861 is a prime.

It is a super-3 number, since 3×16010989³ (a number of 23 digits) contains 333 as substring.

16010989 is a modest number, since divided by 10989 gives 16 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16010999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8005494 + 8005495.

It is an arithmetic number, because the mean of its divisors is an integer number (8005495).

Almost surely, 2^16010989 is an apocalyptic number.

It is an amenable number.

16010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

16010989 is an equidigital number, since it uses as much as digits as its factorization.

16010989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 16010989 is about 4001.3733892253. The cubic root of 16010989 is about 252.0418854120.

The spelling of 16010989 in words is "sixteen million, ten thousand, nine hundred eighty-nine".