1160655221 has 8 divisors (see below), whose sum is σ = 1307013888. Its totient is φ = 1021104000.

The previous prime is 1160655211. The next prime is 1160655227. The reversal of 1160655221 is 1225560611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1160655221 - 2¹⁴ = 1160638837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160655227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701500 + ... + 1702181.

It is an arithmetic number, because the mean of its divisors is an integer number (163376736).

Almost surely, 2^1160655221 is an apocalyptic number.

1160655221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1160655221 is a deficient number, since it is larger than the sum of its proper divisors (146358667).

1160655221 is a wasteful number, since it uses less digits than its factorization.

1160655221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403723.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1160655221 is about 34068.3903494133. The cubic root of 1160655221 is about 1050.9153683599.

The spelling of 1160655221 in words is "one billion, one hundred sixty million, six hundred fifty-five thousand, two hundred twenty-one".