82665755069041 has 3 divisors (see below), whose sum is σ = 82665764161113. Its totient is φ = 82665745976970.

The previous prime is 82665755069017. The next prime is 82665755069077. The reversal of 82665755069041 is 14096055756628.

The square root of 82665755069041 is 9092071.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 82665755069041 - 2¹⁵ = 82665755036273 is a prime.

It is a super-2 number, since 2×82665755069041² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82665755069341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4546036 + ... + 13638106.

It is an arithmetic number, because the mean of its divisors is an integer number (27555254720371).

Almost surely, 2^{82665755069041} is an apocalyptic number.

82665755069041 is the 9092071-st square number.

82665755069041 is the 4546036-th centered octagonal number.

It is an amenable number.

82665755069041 is a deficient number, since it is larger than the sum of its proper divisors (9092072).

82665755069041 is an frugal number, since it uses more digits than its factorization.

82665755069041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18184142 (or 9092071 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 64.

The spelling of 82665755069041 in words is "eighty-two trillion, six hundred sixty-five billion, seven hundred fifty-five million, sixty-nine thousand, forty-one".