16000089 has 16 divisors (see below), whose sum is σ = 24437760. Its totient is φ = 9121680.

The previous prime is 16000081. The next prime is 16000097. The reversal of 16000089 is 98000061.

It is an interprime number because it is at equal distance from previous prime (16000081) and next prime (16000097).

It is not a de Polignac number, because 16000089 - 2³ = 16000081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16000081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15004 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (1527360).

Almost surely, 2^16000089 is an apocalyptic number.

It is an amenable number.

16000089 is a deficient number, since it is larger than the sum of its proper divisors (8437671).

16000089 is a wasteful number, since it uses less digits than its factorization.

16000089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 16000089 is about 4000.0111249845. The cubic root of 16000089 is about 251.9846771988.

The spelling of 16000089 in words is "sixteen million, eighty-nine", and thus it is an aban number and an uban number.