16585088989 has 8 divisors (see below), whose sum is σ = 19021843008. Its totient is φ = 14165198880.

The previous prime is 16585088983. The next prime is 16585089019. The reversal of 16585088989 is 98988058561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16585088989 - 2¹⁹ = 16584564701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16585088983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4213867 + ... + 4217800.

It is an arithmetic number, because the mean of its divisors is an integer number (2377730376).

Almost surely, 2^16585088989 is an apocalyptic number.

It is an amenable number.

16585088989 is a deficient number, since it is larger than the sum of its proper divisors (2436754019).

16585088989 is an equidigital number, since it uses as much as digits as its factorization.

16585088989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431955.

The product of its (nonzero) digits is 49766400, while the sum is 67.

The spelling of 16585088989 in words is "sixteen billion, five hundred eighty-five million, eighty-eight thousand, nine hundred eighty-nine".