916364657617 has 2 divisors, whose sum is σ = 916364657618. Its totient is φ = 916364657616.

The previous prime is 916364657603. The next prime is 916364657629. The reversal of 916364657617 is 716756463619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760307265936 + 156057391681 = 871956^2 + 395041^2 .

It is a cyclic number.

It is not a de Polignac number, because 916364657617 - 2⁷ = 916364657489 is a prime.

It is a super-2 number, since 2×916364657617² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (916364657317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458182328808 + 458182328809.

It is an arithmetic number, because the mean of its divisors is an integer number (458182328809).

Almost surely, 2^916364657617 is an apocalyptic number.

It is an amenable number.

916364657617 is a deficient number, since it is larger than the sum of its proper divisors (1).

916364657617 is an equidigital number, since it uses as much as digits as its factorization.

916364657617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 61.

The spelling of 916364657617 in words is "nine hundred sixteen billion, three hundred sixty-four million, six hundred fifty-seven thousand, six hundred seventeen".