27161000490771 has 12 divisors (see below), whose sum is σ = 44837207159472. Its totient is φ = 15520571708976.

The previous prime is 27161000490749. The next prime is 27161000490787. The reversal of 27161000490771 is 17709400016172.

27161000490771 is a `hidden beast` number, since 27 + 1 + 610 + 0 + 0 + 4 + 9 + 0 + 7 + 7 + 1 = 666.

It is not a de Polignac number, because 27161000490771 - 2⁶ = 27161000490707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27161000490721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215563495896 + ... + 215563496021.

It is an arithmetic number, because the mean of its divisors is an integer number (3736433929956).

Almost surely, 2^{27161000490771} is an apocalyptic number.

27161000490771 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27161000490771 is a deficient number, since it is larger than the sum of its proper divisors (17676206668701).

27161000490771 is a wasteful number, since it uses less digits than its factorization.

27161000490771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431126991930 (or 431126991927 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 27161000490771 in words is "twenty-seven trillion, one hundred sixty-one billion, four hundred ninety thousand, seven hundred seventy-one".