1166384611 has 16 divisors (see below), whose sum is σ = 1380623040. Its totient is φ = 964131840.

The previous prime is 1166384591. The next prime is 1166384617. The reversal of 1166384611 is 1164836611.

It is not a de Polignac number, because 1166384611 - 2⁹ = 1166384099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166384617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195391 + ... + 201271.

It is an arithmetic number, because the mean of its divisors is an integer number (86288940).

Almost surely, 2^1166384611 is an apocalyptic number.

1166384611 is a deficient number, since it is larger than the sum of its proper divisors (214238429).

1166384611 is an equidigital number, since it uses as much as digits as its factorization.

1166384611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894.

The product of its digits is 20736, while the sum is 37.

The square root of 1166384611 is about 34152.3734314323. The cubic root of 1166384611 is about 1052.6417563423.

The spelling of 1166384611 in words is "one billion, one hundred sixty-six million, three hundred eighty-four thousand, six hundred eleven".