1166897933 has 2 divisors, whose sum is σ = 1166897934. Its totient is φ = 1166897932.

The previous prime is 1166897891. The next prime is 1166897959. The reversal of 1166897933 is 3397986611.

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., 791972164 + 374925769 = 28142^2 + 19363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166897933 - 2⁶ = 1166897869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166897983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583448966 + 583448967.

It is an arithmetic number, because the mean of its divisors is an integer number (583448967).

Almost surely, 2^1166897933 is an apocalyptic number.

It is an amenable number.

1166897933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166897933 is an equidigital number, since it uses as much as digits as its factorization.

1166897933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 1166897933 is about 34159.8877779187. The cubic root of 1166897933 is about 1052.7961550767.

The spelling of 1166897933 in words is "one billion, one hundred sixty-six million, eight hundred ninety-seven thousand, nine hundred thirty-three".