102081175316649 has 8 divisors (see below), whose sum is σ = 151231370839520. Its totient is φ = 68054116877748.

The previous prime is 102081175316567. The next prime is 102081175316677. The reversal of 102081175316649 is 946613571180201.

102081175316649 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 8 + 1 + 1 + 7 + 531 + 66 + 49 = 666.

It is not a de Polignac number, because 102081175316649 - 2²⁸ = 102080906881193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102081175316595 and 102081175316604.

It is not an unprimeable number, because it can be changed into a prime (102081175316249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890392135467 + ... + 1890392135520.

It is an arithmetic number, because the mean of its divisors is an integer number (18903921354940).

It is a 1-persistent number, because it is pandigital, but 2⋅102081175316649 = 204162350633298 is not.

Almost surely, 2^{102081175316649} is an apocalyptic number.

It is an amenable number.

102081175316649 is a deficient number, since it is larger than the sum of its proper divisors (49150195522871).

102081175316649 is an equidigital number, since it uses as much as digits as its factorization.

102081175316649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780784270996 (or 3780784270990 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 102081175316649 in words is "one hundred two trillion, eighty-one billion, one hundred seventy-five million, three hundred sixteen thousand, six hundred forty-nine".