16196889 has 8 divisors (see below), whose sum is σ = 21640320. Its totient is φ = 10775696.

The previous prime is 16196881. The next prime is 16196893. The reversal of 16196889 is 98869161.

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

It is a cyclic number.

It is not a de Polignac number, because 16196889 - 2³ = 16196881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16196881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (2705040).

Almost surely, 2^16196889 is an apocalyptic number.

It is an amenable number.

16196889 is a deficient number, since it is larger than the sum of its proper divisors (5443431).

16196889 is a wasteful number, since it uses less digits than its factorization.

16196889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11119.

The product of its digits is 186624, while the sum is 48.

The square root of 16196889 is about 4024.5358738617. The cubic root of 16196889 is about 253.0136015226.

The spelling of 16196889 in words is "sixteen million, one hundred ninety-six thousand, eight hundred eighty-nine".