82168568 has 8 divisors (see below), whose sum is σ = 154066080. Its totient is φ = 41084280.

The previous prime is 82168561. The next prime is 82168573. The reversal of 82168568 is 86586128.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82168561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5135528 + ... + 5135543.

It is an arithmetic number, because the mean of its divisors is an integer number (19258260).

Almost surely, 2^82168568 is an apocalyptic number.

It is an amenable number.

82168568 is a deficient number, since it is larger than the sum of its proper divisors (71897512).

82168568 is a wasteful number, since it uses less digits than its factorization.

82168568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10271077 (or 10271073 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 82168568 is about 9064.6879703606. The cubic root of 82168568 is about 434.7456442279.

The spelling of 82168568 in words is "eighty-two million, one hundred sixty-eight thousand, five hundred sixty-eight".