1161685168 has 40 divisors (see below), whose sum is σ = 2575683360. Its totient is φ = 497210880.

The previous prime is 1161685153. The next prime is 1161685183. The reversal of 1161685168 is 8615861611.

It is an interprime number because it is at equal distance from previous prime (1161685153) and next prime (1161685183).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84198 + ... + 97018.

It is an arithmetic number, because the mean of its divisors is an integer number (64392084).

Almost surely, 2^1161685168 is an apocalyptic number.

It is an amenable number.

1161685168 is an abundant number, since it is smaller than the sum of its proper divisors (1413998192).

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

1161685168 is a wasteful number, since it uses less digits than its factorization.

1161685168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13645 (or 13639 counting only the distinct ones).

The product of its digits is 69120, while the sum is 43.

The square root of 1161685168 is about 34083.5028716240. The cubic root of 1161685168 is about 1051.2261316554.

The spelling of 1161685168 in words is "one billion, one hundred sixty-one million, six hundred eighty-five thousand, one hundred sixty-eight".