1160221180 has 12 divisors (see below), whose sum is σ = 2436464520. Its totient is φ = 464088464.

The previous prime is 1160221133. The next prime is 1160221199. The reversal of 1160221180 is 811220611.

It is a super-2 number, since 2×1160221180² = 2692226373041184800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29005510 + ... + 29005549.

It is an arithmetic number, because the mean of its divisors is an integer number (203038710).

Almost surely, 2^1160221180 is an apocalyptic number.

1160221180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160221180 is an abundant number, since it is smaller than the sum of its proper divisors (1276243340).

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

1160221180 is a wasteful number, since it uses less digits than its factorization.

1160221180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58011068 (or 58011066 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1160221180 is about 34062.0196112914. The cubic root of 1160221180 is about 1050.7843512066.

Adding to 1160221180 its reverse (811220611), we get a palindrome (1971441791).

The spelling of 1160221180 in words is "one billion, one hundred sixty million, two hundred twenty-one thousand, one hundred eighty".