271318648 has 32 divisors (see below), whose sum is σ = 533277360. Its totient is φ = 129265920.

The previous prime is 271318643. The next prime is 271318661. The reversal of 271318648 is 846813172.

It is a super-2 number, since 2×271318648² = 147227617505095808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 271318648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271318643) 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, 4486 + ... + 23722.

Almost surely, 2^271318648 is an apocalyptic number.

It is an amenable number.

271318648 is a deficient number, since it is larger than the sum of its proper divisors (261958712).

271318648 is a wasteful number, since it uses less digits than its factorization.

271318648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19327 (or 19323 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 271318648 is about 16471.7530336027. The cubic root of 271318648 is about 647.3808990701.

The spelling of 271318648 in words is "two hundred seventy-one million, three hundred eighteen thousand, six hundred forty-eight".