1166827071 has 8 divisors (see below), whose sum is σ = 1558535040. Its totient is φ = 776501912.

The previous prime is 1166827037. The next prime is 1166827097. The reversal of 1166827071 is 1707286611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166827071 - 2¹⁰ = 1166826047 is a prime.

It is a super-2 number, since 2×1166827071² = 2722970827236878082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166827001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343731 + ... + 347108.

It is an arithmetic number, because the mean of its divisors is an integer number (194816880).

Almost surely, 2^1166827071 is an apocalyptic number.

1166827071 is a deficient number, since it is larger than the sum of its proper divisors (391707969).

1166827071 is an equidigital number, since it uses as much as digits as its factorization.

1166827071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691405.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 1166827071 is about 34158.8505515042. The cubic root of 1166827071 is about 1052.7748436580.

It can be divided in two parts, 116682 and 7071, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 1166827071 in words is "one billion, one hundred sixty-six million, eight hundred twenty-seven thousand, seventy-one".