271616 has 18 divisors (see below), whose sum is σ = 542682. Its totient is φ = 135680.

The previous prime is 271603. The next prime is 271619. The reversal of 271616 is 616172.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 25600 = 496^2 + 160^2 .

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 271591 and 271600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (30149).

2²⁷¹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

271616 is a deficient number, since it is larger than the sum of its proper divisors (271066).

271616 is an equidigital number, since it uses as much as digits as its factorization.

271616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1063 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 271616 is about 521.1679191969. The cubic root of 271616 is about 64.7617312018.

Adding to 271616 its reverse (616172), we get a palindrome (887788).

The spelling of 271616 in words is "two hundred seventy-one thousand, six hundred sixteen".