271540161065812 has 6 divisors (see below), whose sum is σ = 475195281865178. Its totient is φ = 135770080532904.

The previous prime is 271540161065791. The next prime is 271540161065819. The reversal of 271540161065812 is 218560161045172.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 163414395156496 + 108125765909316 = 12783364^2 + 10398354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271540161065819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33942520133223 + ... + 33942520133230.

Almost surely, 2^{271540161065812} is an apocalyptic number.

It is an amenable number.

271540161065812 is a deficient number, since it is larger than the sum of its proper divisors (203655120799366).

271540161065812 is a wasteful number, since it uses less digits than its factorization.

271540161065812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67885040266457 (or 67885040266455 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 271540161065812 in words is "two hundred seventy-one trillion, five hundred forty billion, one hundred sixty-one million, sixty-five thousand, eight hundred twelve".