82665168 has 20 divisors (see below), whose sum is σ = 213551808. Its totient is φ = 27555040.

The previous prime is 82665139. The next prime is 82665173. The reversal of 82665168 is 86156628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861048 + ... + 861143.

Almost surely, 2^82665168 is an apocalyptic number.

It is an amenable number.

82665168 is an abundant number, since it is smaller than the sum of its proper divisors (130886640).

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

82665168 is a wasteful number, since it uses less digits than its factorization.

82665168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722202 (or 1722196 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 82665168 is about 9092.0387152717. The cubic root of 82665168 is about 435.6197059861.

The spelling of 82665168 in words is "eighty-two million, six hundred sixty-five thousand, one hundred sixty-eight".