1180716617 has 2 divisors, whose sum is σ = 1180716618. Its totient is φ = 1180716616.

The previous prime is 1180716571. The next prime is 1180716619. The reversal of 1180716617 is 7166170811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806332816 + 374383801 = 28396^2 + 19349^2 .

It is an emirp because it is prime and its reverse (7166170811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1180716617 - 2¹⁶ = 1180651081 is a prime.

Together with 1180716619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1180716619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590358308 + 590358309.

It is an arithmetic number, because the mean of its divisors is an integer number (590358309).

Almost surely, 2^1180716617 is an apocalyptic number.

It is an amenable number.

1180716617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180716617 is an equidigital number, since it uses as much as digits as its factorization.

1180716617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 38.

The square root of 1180716617 is about 34361.5572551653. The cubic root of 1180716617 is about 1056.9356785823.

The spelling of 1180716617 in words is "one billion, one hundred eighty million, seven hundred sixteen thousand, six hundred seventeen".