16273316840 has 96 divisors (see below), whose sum is σ = 42156948960. Its totient is φ = 5606064000.

The previous prime is 16273316833. The next prime is 16273316867. The reversal of 16273316840 is 4861337261.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107615 + ... + 210065.

It is an arithmetic number, because the mean of its divisors is an integer number (439134885).

Almost surely, 2^16273316840 is an apocalyptic number.

16273316840 is a gapful number since it is divisible by the number (10) 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 16273316840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21078474480).

16273316840 is an abundant number, since it is smaller than the sum of its proper divisors (25883632120).

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

16273316840 is a wasteful number, since it uses less digits than its factorization.

16273316840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102511 (or 102488 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 16273316840 in words is "sixteen billion, two hundred seventy-three million, three hundred sixteen thousand, eight hundred forty".