82918732165 has 8 divisors (see below), whose sum is σ = 99504702360. Its totient is φ = 66333503232.

The previous prime is 82918732147. The next prime is 82918732199. The reversal of 82918732165 is 56123781928.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38683809124 + 44234923041 = 196682^2 + 210321^2 .

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 82918732165 - 2⁵ = 82918732133 is a prime.

It is a super-2 number, since 2×82918732165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101001 + ... + 419569.

It is an arithmetic number, because the mean of its divisors is an integer number (12438087795).

Almost surely, 2^82918732165 is an apocalyptic number.

It is an amenable number.

82918732165 is a deficient number, since it is larger than the sum of its proper divisors (16585970195).

82918732165 is a wasteful number, since it uses less digits than its factorization.

82918732165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370631.

The product of its digits is 1451520, while the sum is 52.

The spelling of 82918732165 in words is "eighty-two billion, nine hundred eighteen million, seven hundred thirty-two thousand, one hundred sixty-five".