1168538099 has 2 divisors, whose sum is σ = 1168538100. Its totient is φ = 1168538098.

The previous prime is 1168538081. The next prime is 1168538153. The reversal of 1168538099 is 9908358611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9908358611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168538099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1168538039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584269049 + 584269050.

It is an arithmetic number, because the mean of its divisors is an integer number (584269050).

Almost surely, 2^1168538099 is an apocalyptic number.

1168538099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168538099 is an equidigital number, since it uses as much as digits as its factorization.

1168538099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 1168538099 is about 34183.8865402985. The cubic root of 1168538099 is about 1053.2891865032.

The spelling of 1168538099 in words is "one billion, one hundred sixty-eight million, five hundred thirty-eight thousand, ninety-nine".