107816171549 has 2 divisors, whose sum is σ = 107816171550. Its totient is φ = 107816171548.

The previous prime is 107816171537. The next prime is 107816171579. The reversal of 107816171549 is 945171618701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101453716324 + 6362455225 = 318518^2 + 79765^2 .

It is a cyclic number.

It is not a de Polignac number, because 107816171549 - 2²⁰ = 107815122973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 107816171497 and 107816171506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107816171579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53908085774 + 53908085775.

It is an arithmetic number, because the mean of its divisors is an integer number (53908085775).

Almost surely, 2^107816171549 is an apocalyptic number.

It is an amenable number.

107816171549 is a deficient number, since it is larger than the sum of its proper divisors (1).

107816171549 is an equidigital number, since it uses as much as digits as its factorization.

107816171549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 50.

The spelling of 107816171549 in words is "one hundred seven billion, eight hundred sixteen million, one hundred seventy-one thousand, five hundred forty-nine".