1166160187 has 2 divisors, whose sum is σ = 1166160188. Its totient is φ = 1166160186.

The previous prime is 1166160173. The next prime is 1166160221. The reversal of 1166160187 is 7810616611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166160187 - 2¹¹ = 1166158139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166160137) 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 as a sum of consecutive naturals, namely, 583080093 + 583080094.

It is an arithmetic number, because the mean of its divisors is an integer number (583080094).

Almost surely, 2^1166160187 is an apocalyptic number.

1166160187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166160187 is an equidigital number, since it uses as much as digits as its factorization.

1166160187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1166160187 is about 34149.0876452066. The cubic root of 1166160187 is about 1052.5742390973.

Adding to 1166160187 its reverse (7810616611), we get a palindrome (8976776798).

The spelling of 1166160187 in words is "one billion, one hundred sixty-six million, one hundred sixty thousand, one hundred eighty-seven".