27332161 has 4 divisors (see below), whose sum is σ = 27343152. Its totient is φ = 27321172.

The previous prime is 27332131. The next prime is 27332171. The reversal of 27332161 is 16123372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27332161 - 2⁷ = 27332033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27332131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210 + ... + 7396.

It is an arithmetic number, because the mean of its divisors is an integer number (6835788).

Almost surely, 2^27332161 is an apocalyptic number.

It is an amenable number.

27332161 is a deficient number, since it is larger than the sum of its proper divisors (10991).

27332161 is an equidigital number, since it uses as much as digits as its factorization.

27332161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990.

The product of its digits is 1512, while the sum is 25.

The square root of 27332161 is about 5228.0169280522. The cubic root of 27332161 is about 301.2252152724.

The spelling of 27332161 in words is "twenty-seven million, three hundred thirty-two thousand, one hundred sixty-one".