82169344 has 60 divisors (see below), whose sum is σ = 170660952. Its totient is φ = 39521280.

The previous prime is 82169309. The next prime is 82169369. The reversal of 82169344 is 44396128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 491949 + ... + 492115.

Almost surely, 2^82169344 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 82169344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85330476).

82169344 is an abundant number, since it is smaller than the sum of its proper divisors (88491608).

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

82169344 is an equidigital number, since it uses as much as digits as its factorization.

82169344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 200 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 82169344 is about 9064.7307737185. The cubic root of 82169344 is about 434.7470128029.

The spelling of 82169344 in words is "eighty-two million, one hundred sixty-nine thousand, three hundred forty-four".