271986064 has 135 divisors (see below), whose sum is σ = 668514411. Its totient is φ = 106868160.

The previous prime is 271986061. The next prime is 271986073. The reversal of 271986064 is 460689172.

The square root of 271986064 is 16492.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 271986064.

It is not an unprimeable number, because it can be changed into a prime (271986061) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 8773729 + ... + 8773759.

Almost surely, 2^271986064 is an apocalyptic number.

271986064 is the 16492-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271986064

271986064 is an abundant number, since it is smaller than the sum of its proper divisors (396528347).

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

271986064 is a wasteful number, since it uses less digits than its factorization.

271986064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The cubic root of 271986064 is about 647.9112945689.

The spelling of 271986064 in words is "two hundred seventy-one million, nine hundred eighty-six thousand, sixty-four".