8191708181241 has 16 divisors (see below), whose sum is σ = 11774250675264. Its totient is φ = 5035994944704.

The previous prime is 8191708181221. The next prime is 8191708181287. The reversal of 8191708181241 is 1421818071918.

It is not a de Polignac number, because 8191708181241 - 2³⁰ = 8190634439417 is a prime.

It is a super-2 number, since 2×8191708181241² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8191708181221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105299031 + ... + 105376796.

It is an arithmetic number, because the mean of its divisors is an integer number (735890667204).

Almost surely, 2^{8191708181241} is an apocalyptic number.

It is an amenable number.

8191708181241 is a deficient number, since it is larger than the sum of its proper divisors (3582542494023).

8191708181241 is a wasteful number, since it uses less digits than its factorization.

8191708181241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210676840.

The product of its (nonzero) digits is 258048, while the sum is 51.

The spelling of 8191708181241 in words is "eight trillion, one hundred ninety-one billion, seven hundred eight million, one hundred eighty-one thousand, two hundred forty-one".