16808419927 has 8 divisors (see below), whose sum is σ = 18261566064. Its totient is φ = 15378158208.

The previous prime is 16808419897. The next prime is 16808419931. The reversal of 16808419927 is 72991480861.

It is a happy number.

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 16808419927 - 2¹⁹ = 16807895639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16808419997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5719573 + ... + 5722510.

It is an arithmetic number, because the mean of its divisors is an integer number (2282695758).

Almost surely, 2^16808419927 is an apocalyptic number.

16808419927 is a deficient number, since it is larger than the sum of its proper divisors (1453146137).

16808419927 is a wasteful number, since it uses less digits than its factorization.

16808419927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11442209.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 16808419927 in words is "sixteen billion, eight hundred eight million, four hundred nineteen thousand, nine hundred twenty-seven".