1160161140 has 48 divisors (see below), whose sum is σ = 3253041792. Its totient is φ = 308939136.

The previous prime is 1160161127. The next prime is 1160161157. The reversal of 1160161140 is 411610611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30322 + ... + 56918.

It is an arithmetic number, because the mean of its divisors is an integer number (67771704).

Almost surely, 2^1160161140 is an apocalyptic number.

1160161140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160161140 is an abundant number, since it is smaller than the sum of its proper divisors (2092880652).

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

1160161140 is a wasteful number, since it uses less digits than its factorization.

1160161140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27336 (or 27334 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1160161140 is about 34061.1382663586. The cubic root of 1160161140 is about 1050.7662253005.

Adding to 1160161140 its reverse (411610611), we get a palindrome (1571771751).

The spelling of 1160161140 in words is "one billion, one hundred sixty million, one hundred sixty-one thousand, one hundred forty".