1166379091 has 2 divisors, whose sum is σ = 1166379092. Its totient is φ = 1166379090.

The previous prime is 1166379079. The next prime is 1166379103. The reversal of 1166379091 is 1909736611.

It is a balanced prime because it is at equal distance from previous prime (1166379079) and next prime (1166379103).

It is a cyclic number.

It is not a de Polignac number, because 1166379091 - 2¹⁷ = 1166248019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166379001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583189545 + 583189546.

It is an arithmetic number, because the mean of its divisors is an integer number (583189546).

Almost surely, 2^1166379091 is an apocalyptic number.

1166379091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166379091 is an equidigital number, since it uses as much as digits as its factorization.

1166379091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1166379091 is about 34152.2926170411. The cubic root of 1166379091 is about 1052.6400957718.

The spelling of 1166379091 in words is "one billion, one hundred sixty-six million, three hundred seventy-nine thousand, ninety-one".