271530398661 has 16 divisors (see below), whose sum is σ = 377794245120. Its totient is φ = 173143943280.

The previous prime is 271530398641. The next prime is 271530398669. The reversal of 271530398661 is 166893035172.

It is not a de Polignac number, because 271530398661 - 2¹⁵ = 271530365893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271530398669) 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, 2983650 + ... + 3073308.

It is an arithmetic number, because the mean of its divisors is an integer number (23612140320).

Almost surely, 2^271530398661 is an apocalyptic number.

It is an amenable number.

271530398661 is a deficient number, since it is larger than the sum of its proper divisors (106263846459).

271530398661 is a wasteful number, since it uses less digits than its factorization.

271530398661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133576.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 271530398661 in words is "two hundred seventy-one billion, five hundred thirty million, three hundred ninety-eight thousand, six hundred sixty-one".