16771655127 has 4 divisors (see below), whose sum is σ = 22362206840. Its totient is φ = 11181103416.

The previous prime is 16771655083. The next prime is 16771655141. The reversal of 16771655127 is 72155617761.

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

It is not a de Polignac number, because 16771655127 - 2¹⁸ = 16771392983 is a prime.

It is a super-2 number, since 2×16771655127² (a number of 21 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 (16771654127) 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, 2795275852 + ... + 2795275857.

It is an arithmetic number, because the mean of its divisors is an integer number (5590551710).

Almost surely, 2^16771655127 is an apocalyptic number.

16771655127 is a deficient number, since it is larger than the sum of its proper divisors (5590551713).

16771655127 is an equidigital number, since it uses as much as digits as its factorization.

16771655127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590551712.

The product of its digits is 617400, while the sum is 48.

The spelling of 16771655127 in words is "sixteen billion, seven hundred seventy-one million, six hundred fifty-five thousand, one hundred twenty-seven".