9664102911157 has 2 divisors, whose sum is σ = 9664102911158. Its totient is φ = 9664102911156.

The previous prime is 9664102911149. The next prime is 9664102911173. The reversal of 9664102911157 is 7511192014669.

9664102911157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7079808745681 + 2584294165476 = 2660791^2 + 1607574^2 .

It is a cyclic number.

It is not a de Polignac number, because 9664102911157 - 2³ = 9664102911149 is a prime.

It is a super-3 number, since 3×9664102911157³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9664102911457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832051455578 + 4832051455579.

It is an arithmetic number, because the mean of its divisors is an integer number (4832051455579).

Almost surely, 2^{9664102911157} is an apocalyptic number.

It is an amenable number.

9664102911157 is a deficient number, since it is larger than the sum of its proper divisors (1).

9664102911157 is an equidigital number, since it uses as much as digits as its factorization.

9664102911157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 9664102911157 in words is "nine trillion, six hundred sixty-four billion, one hundred two million, nine hundred eleven thousand, one hundred fifty-seven".