82169448 has 16 divisors (see below), whose sum is σ = 205423680. Its totient is φ = 27389808.

The previous prime is 82169447. The next prime is 82169491. The reversal of 82169448 is 84496128.

It is not an unprimeable number, because it can be changed into a prime (82169443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711840 + ... + 1711887.

It is an arithmetic number, because the mean of its divisors is an integer number (12838980).

Almost surely, 2^82169448 is an apocalyptic number.

It is an amenable number.

82169448 is an abundant number, since it is smaller than the sum of its proper divisors (123254232).

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

82169448 is a wasteful number, since it uses less digits than its factorization.

82169448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423736 (or 3423732 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 82169448 is about 9064.7365102357. The cubic root of 82169448 is about 434.7471962195.

The spelling of 82169448 in words is "eighty-two million, one hundred sixty-nine thousand, four hundred forty-eight".