1161069166 has 4 divisors (see below), whose sum is σ = 1741603752. Its totient is φ = 580534582.

The previous prime is 1161069137. The next prime is 1161069167. The reversal of 1161069166 is 6619601611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161069167) 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, 290267290 + ... + 290267293.

It is an arithmetic number, because the mean of its divisors is an integer number (435400938).

Almost surely, 2^1161069166 is an apocalyptic number.

1161069166 is a deficient number, since it is larger than the sum of its proper divisors (580534586).

1161069166 is an equidigital number, since it uses as much as digits as its factorization.

1161069166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580534585.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1161069166 is about 34074.4650141422. The cubic root of 1161069166 is about 1051.0402890220.

The spelling of 1161069166 in words is "one billion, one hundred sixty-one million, sixty-nine thousand, one hundred sixty-six".