27130816 has 28 divisors (see below), whose sum is σ = 54091840. Its totient is φ = 13501440.

The previous prime is 27130811. The next prime is 27130819. The reversal of 27130816 is 61803172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27130811) 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, 14545 + ... + 16303.

Almost surely, 2^27130816 is an apocalyptic number.

It is an amenable number.

27130816 is a deficient number, since it is larger than the sum of its proper divisors (26961024).

27130816 is a wasteful number, since it uses less digits than its factorization.

27130816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27130816 is about 5208.7249879409. The cubic root of 27130816 is about 300.4837233237.

Adding to 27130816 its reverse (61803172), we get a palindrome (88933988).

The spelling of 27130816 in words is "twenty-seven million, one hundred thirty thousand, eight hundred sixteen".