271020816 has 120 divisors (see below), whose sum is σ = 858215904. Its totient is φ = 82114560.

The previous prime is 271020809. The next prime is 271020821. The reversal of 271020816 is 618020172.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 271020816.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39600 + ... + 45936.

Almost surely, 2^271020816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271020816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429107952).

271020816 is an abundant number, since it is smaller than the sum of its proper divisors (587195088).

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

271020816 is a wasteful number, since it uses less digits than its factorization.

271020816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371 (or 6353 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 271020816 is about 16462.7098619881. The cubic root of 271020816 is about 647.1439312794.

Adding to 271020816 its reverse (618020172), we get a palindrome (889040988).

The spelling of 271020816 in words is "two hundred seventy-one million, twenty thousand, eight hundred sixteen".