82617161 has 16 divisors (see below), whose sum is σ = 96344640. Its totient is φ = 70010880.

The previous prime is 82617151. The next prime is 82617167. The reversal of 82617161 is 16171628.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82617161 - 2¹⁰ = 82616137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82617167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17945 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (6021540).

Almost surely, 2^82617161 is an apocalyptic number.

It is an amenable number.

82617161 is a deficient number, since it is larger than the sum of its proper divisors (13727479).

82617161 is a wasteful number, since it uses less digits than its factorization.

82617161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264.

The product of its digits is 4032, while the sum is 32.

The square root of 82617161 is about 9089.3982749135. The cubic root of 82617161 is about 435.5353623408.

Adding to 82617161 its reverse (16171628), we get a palindrome (98788789).

The spelling of 82617161 in words is "eighty-two million, six hundred seventeen thousand, one hundred sixty-one".