83216256 has 64 divisors (see below), whose sum is σ = 227056080. Its totient is φ = 26984448.

The previous prime is 83216249. The next prime is 83216281. The reversal of 83216256 is 65261238.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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, 11280 + ... + 17136.

Almost surely, 2^83216256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83216256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113528040).

83216256 is an abundant number, since it is smaller than the sum of its proper divisors (143839824).

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

83216256 is a wasteful number, since it uses less digits than its factorization.

83216256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911 (or 5899 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 83216256 is about 9122.2944482186. The cubic root of 83216256 is about 436.5855835567.

The spelling of 83216256 in words is "eighty-three million, two hundred sixteen thousand, two hundred fifty-six".