201321160 has 32 divisors (see below), whose sum is σ = 453418560. Its totient is φ = 80449216.

The previous prime is 201321149. The next prime is 201321199. The reversal of 201321160 is 61123102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55317 + ... + 58843.

It is an arithmetic number, because the mean of its divisors is an integer number (14169330).

Almost surely, 2^201321160 is an apocalyptic number.

201321160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201321160 is an abundant number, since it is smaller than the sum of its proper divisors (252097400).

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

201321160 is a wasteful number, since it uses less digits than its factorization.

201321160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 201321160 is about 14188.7687978908. The cubic root of 201321160 is about 586.0884210016.

Adding to 201321160 its reverse (61123102), we get a palindrome (262444262).

The spelling of 201321160 in words is "two hundred one million, three hundred twenty-one thousand, one hundred sixty".