1168297657 has 2 divisors, whose sum is σ = 1168297658. Its totient is φ = 1168297656.

The previous prime is 1168297633. The next prime is 1168297667. The reversal of 1168297657 is 7567928611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926837136 + 241460521 = 30444^2 + 15539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168297657 - 2²⁷ = 1034079929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1168297667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584148828 + 584148829.

It is an arithmetic number, because the mean of its divisors is an integer number (584148829).

Almost surely, 2^1168297657 is an apocalyptic number.

It is an amenable number.

1168297657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168297657 is an equidigital number, since it uses as much as digits as its factorization.

1168297657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 52.

The square root of 1168297657 is about 34180.3694684537. The cubic root of 1168297657 is about 1053.2169388715.

The spelling of 1168297657 in words is "one billion, one hundred sixty-eight million, two hundred ninety-seven thousand, six hundred fifty-seven".