16271271532277 has 4 divisors (see below), whose sum is σ = 16271701879020. Its totient is φ = 16270841185536.

The previous prime is 16271271532249. The next prime is 16271271532283. The reversal of 16271271532277 is 77223517217261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6005053171441 + 10266218360836 = 2450521^2 + 3204094^2 .

It is a cyclic number.

It is not a de Polignac number, because 16271271532277 - 2¹⁰ = 16271271531253 is a prime.

It is a super-2 number, since 2×16271271532277² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16271271532297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215116652 + ... + 215192277.

It is an arithmetic number, because the mean of its divisors is an integer number (4067925469755).

Almost surely, 2^{16271271532277} is an apocalyptic number.

It is an amenable number.

16271271532277 is a deficient number, since it is larger than the sum of its proper divisors (430346743).

16271271532277 is an equidigital number, since it uses as much as digits as its factorization.

16271271532277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430346742.

The product of its digits is 3457440, while the sum is 53.

The spelling of 16271271532277 in words is "sixteen trillion, two hundred seventy-one billion, two hundred seventy-one million, five hundred thirty-two thousand, two hundred seventy-seven".