1166211367 has 4 divisors (see below), whose sum is σ = 1171216800. Its totient is φ = 1161205936.

The previous prime is 1166211353. The next prime is 1166211379. The reversal of 1166211367 is 7631126611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166211367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166211467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502367 + ... + 2502832.

It is an arithmetic number, because the mean of its divisors is an integer number (292804200).

Almost surely, 2^1166211367 is an apocalyptic number.

1166211367 is a deficient number, since it is larger than the sum of its proper divisors (5005433).

1166211367 is an equidigital number, since it uses as much as digits as its factorization.

1166211367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005432.

The product of its digits is 9072, while the sum is 34.

The square root of 1166211367 is about 34149.8369981469. The cubic root of 1166211367 is about 1052.5896371996.

Adding to 1166211367 its reverse (7631126611), we get a palindrome (8797337978).

The spelling of 1166211367 in words is "one billion, one hundred sixty-six million, two hundred eleven thousand, three hundred sixty-seven".