16726089 has 8 divisors (see below), whose sum is σ = 22335040. Its totient is φ = 11133936.

The previous prime is 16726043. The next prime is 16726093. The reversal of 16726089 is 98062761.

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

It is not a de Polignac number, because 16726089 - 2¹² = 16721993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16722089) 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, 1654 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (2791880).

Almost surely, 2^16726089 is an apocalyptic number.

It is an amenable number.

16726089 is a deficient number, since it is larger than the sum of its proper divisors (5608951).

16726089 is an equidigital number, since it uses as much as digits as its factorization.

16726089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 16726089 is about 4089.7541490901. The cubic root of 16726089 is about 255.7396900277.

The spelling of 16726089 in words is "sixteen million, seven hundred twenty-six thousand, eighty-nine".