16086421908 has 96 divisors (see below), whose sum is σ = 42294510720. Its totient is φ = 5286919680.

The previous prime is 16086421907. The next prime is 16086421937. The reversal of 16086421908 is 80912468061.

16086421908 is a `hidden beast` number, since 1 + 60 + 86 + 421 + 90 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16086421903) 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 31 ways as a sum of consecutive naturals, for example, 2400843 + ... + 2407533.

It is an arithmetic number, because the mean of its divisors is an integer number (440567820).

Almost surely, 2^16086421908 is an apocalyptic number.

16086421908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16086421908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21147255360).

16086421908 is an abundant number, since it is smaller than the sum of its proper divisors (26208088812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16086421908 is a wasteful number, since it uses less digits than its factorization.

16086421908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7006 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

Adding to 16086421908 its reverse (80912468061), we get a palindrome (96998889969).

The spelling of 16086421908 in words is "sixteen billion, eighty-six million, four hundred twenty-one thousand, nine hundred eight".