16786089 has 16 divisors (see below), whose sum is σ = 26331840. Its totient is φ = 10532160.

The previous prime is 16786073. The next prime is 16786093. The reversal of 16786089 is 98068761.

It is a happy number.

It is not a de Polignac number, because 16786089 - 2⁴ = 16786073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16786009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17827 + ... + 18744.

It is an arithmetic number, because the mean of its divisors is an integer number (1645740).

Almost surely, 2^16786089 is an apocalyptic number.

It is an amenable number.

16786089 is a deficient number, since it is larger than the sum of its proper divisors (9545751).

16786089 is a wasteful number, since it uses less digits than its factorization.

16786089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36597 (or 36591 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 16786089 is about 4097.0829867114. The cubic root of 16786089 is about 256.0451224581.

The spelling of 16786089 in words is "sixteen million, seven hundred eighty-six thousand, eighty-nine".