271618 has 8 divisors (see below), whose sum is σ = 413712. Its totient is φ = 133716.

The previous prime is 271603. The next prime is 271619. The reversal of 271618 is 816172.

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

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 271592 and 271601.

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

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (51714).

2²⁷¹⁶¹⁸ is an apocalyptic number.

271618 is a deficient number, since it is larger than the sum of its proper divisors (142094).

271618 is a wasteful number, since it uses less digits than its factorization.

271618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096.

The product of its digits is 672, while the sum is 25.

The square root of 271618 is about 521.1698379607. The cubic root of 271618 is about 64.7618901556.

The spelling of 271618 in words is "two hundred seventy-one thousand, six hundred eighteen".