1161092166 has 128 divisors (see below), whose sum is σ = 2752512000. Its totient is φ = 323326080.

The previous prime is 1161092123. The next prime is 1161092167. The reversal of 1161092166 is 6612901611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161092167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5834535 + ... + 5834733.

It is an arithmetic number, because the mean of its divisors is an integer number (21504000).

Almost surely, 2^1161092166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161092166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376256000).

1161092166 is an abundant number, since it is smaller than the sum of its proper divisors (1591419834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161092166 is a wasteful number, since it uses less digits than its factorization.

1161092166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1161092166 is about 34074.8025085986. The cubic root of 1161092166 is about 1051.0472291101.

Adding to 1161092166 its reverse (6612901611), we get a palindrome (7773993777).

The spelling of 1161092166 in words is "one billion, one hundred sixty-one million, ninety-two thousand, one hundred sixty-six".