1165915166 has 32 divisors (see below), whose sum is σ = 1928556000. Its totient is φ = 525340800.

The previous prime is 1165915141. The next prime is 1165915169. The reversal of 1165915166 is 6615195611.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165915169) 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 15 ways as a sum of consecutive naturals, for example, 226016 + ... + 231116.

It is an arithmetic number, because the mean of its divisors is an integer number (60267375).

Almost surely, 2^1165915166 is an apocalyptic number.

1165915166 is a deficient number, since it is larger than the sum of its proper divisors (762640834).

1165915166 is a wasteful number, since it uses less digits than its factorization.

1165915166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324.

The product of its digits is 48600, while the sum is 41.

The square root of 1165915166 is about 34145.4999377663. The cubic root of 1165915166 is about 1052.5005154185.

The spelling of 1165915166 in words is "one billion, one hundred sixty-five million, nine hundred fifteen thousand, one hundred sixty-six".