82160271085 has 8 divisors (see below), whose sum is σ = 99464824440. Its totient is φ = 65146550784.

The previous prime is 82160271019. The next prime is 82160271133. The reversal of 82160271085 is 58017206128.

It can be written as a sum of positive squares in 4 ways, for example, as 6582563689 + 75577707396 = 81133^2 + 274914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82160271085 - 2⁷ = 82160270957 is a prime.

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, 72707640 + ... + 72708769.

It is an arithmetic number, because the mean of its divisors is an integer number (12433103055).

Almost surely, 2^82160271085 is an apocalyptic number.

It is an amenable number.

82160271085 is a deficient number, since it is larger than the sum of its proper divisors (17304553355).

82160271085 is a wasteful number, since it uses less digits than its factorization.

82160271085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145416527.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 82160271085 in words is "eighty-two billion, one hundred sixty million, two hundred seventy-one thousand, eighty-five".