1166868349 has 2 divisors, whose sum is σ = 1166868350. Its totient is φ = 1166868348.

The previous prime is 1166868301. The next prime is 1166868377. The reversal of 1166868349 is 9438686611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1064716900 + 102151449 = 32630^2 + 10107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166868349 - 2⁹ = 1166867837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166868296 and 1166868305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166868749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583434174 + 583434175.

It is an arithmetic number, because the mean of its divisors is an integer number (583434175).

Almost surely, 2^1166868349 is an apocalyptic number.

It is an amenable number.

1166868349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166868349 is an equidigital number, since it uses as much as digits as its factorization.

1166868349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 1166868349 is about 34159.4547526743. The cubic root of 1166868349 is about 1052.7872579305.

The spelling of 1166868349 in words is "one billion, one hundred sixty-six million, eight hundred sixty-eight thousand, three hundred forty-nine".