271540161065818 has 32 divisors (see below), whose sum is σ = 410580592508736. Its totient is φ = 134683335439488.

The previous prime is 271540161065791. The next prime is 271540161065819. The reversal of 271540161065818 is 818560161045172.

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 in 15 ways as a sum of consecutive naturals, for example, 374117230 + ... + 374842342.

It is an arithmetic number, because the mean of its divisors is an integer number (12830643515898).

Almost surely, 2^{271540161065818} is an apocalyptic number.

271540161065818 is a deficient number, since it is larger than the sum of its proper divisors (139040431442918).

271540161065818 is a wasteful number, since it uses less digits than its factorization.

271540161065818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727438.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 271540161065818 in words is "two hundred seventy-one trillion, five hundred forty billion, one hundred sixty-one million, sixty-five thousand, eight hundred eighteen".