1166349065 has 32 divisors (see below), whose sum is σ = 1629192960. Its totient is φ = 785055744.

The previous prime is 1166349047. The next prime is 1166349091. The reversal of 1166349065 is 5609436611.

It is a cyclic number.

It is not a de Polignac number, because 1166349065 - 2¹⁶ = 1166283529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827081 + ... + 828489.

It is an arithmetic number, because the mean of its divisors is an integer number (50912280).

Almost surely, 2^1166349065 is an apocalyptic number.

It is an amenable number.

1166349065 is a deficient number, since it is larger than the sum of its proper divisors (462843895).

1166349065 is a wasteful number, since it uses less digits than its factorization.

1166349065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 1166349065 is about 34151.8530243968. The cubic root of 1166349065 is about 1052.6310630188.

The spelling of 1166349065 in words is "one billion, one hundred sixty-six million, three hundred forty-nine thousand, sixty-five".