1166055219 has 48 divisors (see below), whose sum is σ = 2021340672. Its totient is φ = 633308544.

The previous prime is 1166055217. The next prime is 1166055239. The reversal of 1166055219 is 9125506611.

It is not a de Polignac number, because 1166055219 - 2¹ = 1166055217 is a prime.

It is a super-2 number, since 2×1166055219² = 2719369547514275922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166055217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233719 + ... + 238655.

It is an arithmetic number, because the mean of its divisors is an integer number (42111264).

Almost surely, 2^1166055219 is an apocalyptic number.

1166055219 is a deficient number, since it is larger than the sum of its proper divisors (855285453).

1166055219 is a wasteful number, since it uses less digits than its factorization.

1166055219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5133 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 1166055219 is about 34147.5507027957. The cubic root of 1166055219 is about 1052.5426568358.

The spelling of 1166055219 in words is "one billion, one hundred sixty-six million, fifty-five thousand, two hundred nineteen".