82164568 has 32 divisors (see below), whose sum is σ = 159440400. Its totient is φ = 39664512.

The previous prime is 82164479. The next prime is 82164581. The reversal of 82164568 is 86546128.

It is a self number, because there is not a number n which added to its sum of digits gives 82164568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40146 + ... + 42142.

Almost surely, 2^82164568 is an apocalyptic number.

It is an amenable number.

82164568 is a deficient number, since it is larger than the sum of its proper divisors (77275832).

82164568 is a wasteful number, since it uses less digits than its factorization.

82164568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2175 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 82164568 is about 9064.4673312887. The cubic root of 82164568 is about 434.7385895806.

The spelling of 82164568 in words is "eighty-two million, one hundred sixty-four thousand, five hundred sixty-eight".