27601233216 has 56 divisors (see below), whose sum is σ = 73050160224. Its totient is φ = 9197652480.

The previous prime is 27601233211. The next prime is 27601233223. The reversal of 27601233216 is 61233210672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27601233211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679726 + ... + 719186.

Almost surely, 2^27601233216 is an apocalyptic number.

It is an amenable number.

27601233216 is an abundant number, since it is smaller than the sum of its proper divisors (45448927008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27601233216 is a wasteful number, since it uses less digits than its factorization.

27601233216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43119 (or 43109 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 27601233216 its reverse (61233210672), we get a palindrome (88834443888).

The spelling of 27601233216 in words is "twenty-seven billion, six hundred one million, two hundred thirty-three thousand, two hundred sixteen".