1166933749 has 2 divisors, whose sum is σ = 1166933750. Its totient is φ = 1166933748.

The previous prime is 1166933741. The next prime is 1166933753. The reversal of 1166933749 is 9473396611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 780811249 + 386122500 = 27943^2 + 19650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166933749 - 2³ = 1166933741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166933741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583466874 + 583466875.

It is an arithmetic number, because the mean of its divisors is an integer number (583466875).

Almost surely, 2^1166933749 is an apocalyptic number.

It is an amenable number.

1166933749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166933749 is an equidigital number, since it uses as much as digits as its factorization.

1166933749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 1166933749 is about 34160.4120144942. The cubic root of 1166933749 is about 1052.8069262448.

The spelling of 1166933749 in words is "one billion, one hundred sixty-six million, nine hundred thirty-three thousand, seven hundred forty-nine".