82911165 has 8 divisors (see below), whose sum is σ = 132657888. Its totient is φ = 44219280.

The previous prime is 82911163. The next prime is 82911221. The reversal of 82911165 is 56111928.

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

It is not a de Polignac number, because 82911165 - 2¹ = 82911163 is a prime.

It is a super-2 number, since 2×82911165² = 13748522563314450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82911163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763691 + ... + 2763720.

It is an arithmetic number, because the mean of its divisors is an integer number (16582236).

Almost surely, 2^82911165 is an apocalyptic number.

It is an amenable number.

82911165 is a deficient number, since it is larger than the sum of its proper divisors (49746723).

82911165 is a wasteful number, since it uses less digits than its factorization.

82911165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527419.

The product of its digits is 4320, while the sum is 33.

The square root of 82911165 is about 9105.5568198765. The cubic root of 82911165 is about 436.0513872743.

The spelling of 82911165 in words is "eighty-two million, nine hundred eleven thousand, one hundred sixty-five".