1161330166 has 8 divisors (see below), whose sum is σ = 1784483064. Its totient is φ = 566502480.

The previous prime is 1161330151. The next prime is 1161330167. The reversal of 1161330166 is 6610331611.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161330167) 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, 7081200 + ... + 7081363.

It is an arithmetic number, because the mean of its divisors is an integer number (223060383).

Almost surely, 2^1161330166 is an apocalyptic number.

1161330166 is a deficient number, since it is larger than the sum of its proper divisors (623152898).

1161330166 is a wasteful number, since it uses less digits than its factorization.

1161330166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162606.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1161330166 is about 34078.2946462994. The cubic root of 1161330166 is about 1051.1190385547.

Adding to 1161330166 its reverse (6610331611), we get a palindrome (7771661777).

The spelling of 1161330166 in words is "one billion, one hundred sixty-one million, three hundred thirty thousand, one hundred sixty-six".