1161013176 has 192 divisors, whose sum is σ = 3390266880. Its totient is φ = 372003840.

The previous prime is 1161013169. The next prime is 1161013187. The reversal of 1161013176 is 6713101611.

1161013176 is a `hidden beast` number, since 11 + 610 + 1 + 31 + 7 + 6 = 666.

1161013176 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8862631 + ... + 8862761.

It is an arithmetic number, because the mean of its divisors is an integer number (17657640).

Almost surely, 2^1161013176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161013176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695133440).

1161013176 is an abundant number, since it is smaller than the sum of its proper divisors (2229253704).

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

1161013176 is a wasteful number, since it uses less digits than its factorization.

1161013176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1161013176 is about 34073.6434212721. The cubic root of 1161013176 is about 1051.0233940504.

Adding to 1161013176 its reverse (6713101611), we get a palindrome (7874114787).

The spelling of 1161013176 in words is "one billion, one hundred sixty-one million, thirteen thousand, one hundred seventy-six".